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          音樂教育英語環境學樂理

          前言:本站為你精心整理了音樂教育英語環境學樂理范文,希望能為你的創作提供參考價值,我們的客服老師可以幫助你提供個性化的參考范文,歡迎咨詢。

          音樂教育英語環境學樂理

          ASelf-ChecklistforBasicMusicConcepts

          Preparedforthosewhowanttobefacilitatedfortheircommunicationwithpeopleinterestedinmusicinthisglobal-villageenvironment

          劉沛

          ByLiupei

          ThischecklistisdevelopedtoencouragethestudentstocheckperiodicallywhetherthemusicconceptstheyknowareunderstoodinEnglish.

          Simplygothroughthefollowing.Askyourself,fromthestandpointofanevaluator,thequestionsandgiveyourresponsessuchas:

          1.Yes,IfullyunderstandthemeaningofitandIcanevengetthesenseoutofitwhileplayingcertainpieceswheretheconceptstandsasalientfeaturearousingmuchmeaninginmyemotion,thinkingandaestheticimagination.

          2.Yes,butnotquitesure.ThenImightreviewtheconceptandatleastgetsomeimplicationsorhintsbasedonreadingthedescriptionsprovided,andthenthinkaboutwhatIpossiblycouldeventhroughmyintuition.

          Pleaserememberthatthistaskdoesnotmeantoimposeanextraburdenonyoubuttoprovideaself-governedandself-studybasedopportunityforyoutoreviewandbetterorganizewhatyouhaveexposedto,pertainingtoyourdoing,thinkingandfeelingintherealmofmusic.HavingyourselfequippedwiththeknowledgeinEnglishofmusic-relatedideaswillfacilitateyourcommunicationwithmusicinterestedpeopleinthisglobalvillagewheretalksinanytopicusingEnglishisbecomingaroutinepractice.

          【】Conceptsaboutsound,thebasicsubstanceusedintheartofmusic:

          (1)Vibrationvs.Sound:Pleasenotethattheformerreferstoaphenomenonintherealmofobjectivityandthelatteriswithwhatweexperienceinthehearingmechanismbeingsubjectiveinitsnature.Therearefourphysicalattributesorpropertiesconsideredessentialinvibration—frequency,intensity,timeandwaveform—thatdetermine,respectively,whatwehearassensationsofpitch,loudness,durationandtimbreortonequality—thefourcorrespondingmentalparameters.Theseterminologiesareincludedinthefieldofpsychoacoustics,notnormallyinthestudyofmusic.However,itisnecessaryformusicstudentstobeacquaintedwiththeseconceptsbecausetheymightbeusefulwhenyourcommunicationoccurswithpeopleoutofthecircleofmusicians,butthosesuchaspsychologists.

          (2)Atentativedefinitionofsound:

          【】Soundismentalreflectionofvibrationwithinacertainrangeofitsacousticproperties.Thedefinitiongivenisbased,amongotherthings,onthefollowingfacts:(a)Rangeoffrequenciesthathumanscouldpossiblyperceiveisfromthelowestpossiblefrequencyof12Hztothehighest20,000Hzroughly.Thehighervibrationsbeyondthisrangeoffrequencycouldbeheardby,maybe,puppies.(b)Ifthevibrationis,intermsofitsintensity,tooweak,thenhumanswouldnotabletosenseitasasound.

          (3)Considerationsoftonesemployedinmusic:

          【】Musictonevs.Noise;positetone;Fundamentaltoneandovertones,partials;Relationshipwithtimbre:

          Musicaltones,orsimplytones,fallintotwocategorieswhenevaluatedbythecriteriawhetherthetonehasadefinitepitch:musicaltonehasbutnoisedoesnot.Youmayconductaquickexperimentwithtwodifferentsoundsources.Youcouldeasilysingback,withinyourvoicerangeofcourse,atoneproducedfromthepianobutitisdifficultevenimpossibleforyoutoimitateexactlythesoundemittedbyclappingyourhands.Itissobecausetheformer(amusicaltone)ispitchedbutthelatter(anoise)not.Howeveritdoesnotmeanthatnoisemakesnocontributionstotheartofmusic.Infact,itdoesandissosignificantthatAfricandrummingandethno-musicinChinaresortmuchtothepercussioninstrumentsandmanyofthepercussionsarenoise-based.

          Puretoneisrarelyusedinmusicbutismostoftenusedinpychoacousticresearchwhereitiscrucialthatunnecessaryvariablesbeeliminatedtoavoidinterferenceoftheinfluentialelements,otherthanthedefinedindependentvariable,withtheeffectofanexperimentsothatthefindingoftheresearchmaybesecuredasafunctionofindependentvariableonly.Thetoneproducedbyatuningfork,thesmallfork-shapedmetaldeviceasapitchstandardforhelpingtuningthemusicalinstruments,positetone,simplyputasthenamesuggests,iscomposedofthefundamentaltoneandovertones,thatis,itisablendofthem.Tobetterunderstandthisphenomenon,youmightimaginethatastringofthepianoisvibratingwherethefundamentaltoneisheardmostsalientasitspitchthatisproducedbya“wholestringinmotion”vibration.Simultaneously,however,partsofthestringatthelengthsinratiosof1/2,1/3,1/4,1/5etc.inanidealsituation,arealsovibrating,thusemittingthefrequenciesaspartials,thelowestofwhichiswhatwasdescribedaboveasfundamentalviz.thefirstpartial;theotherpartialsarecalledovertonesorharmonics.Thesignificantroleovertonesplayisintheperceptionoftimbre.Beforewegofurthertoapproachthismarvel,notethatwidedifferencesexistamongtheovertoneseriesproducedbydifferentaswellasthesamemusicmediaasvibrators.Rigorously,noonecouldpossiblyimitateexactlyonesoundproducedbyothers.Ifyoueverhadtheopportunitytoviewthesceneofthewaveformpresentedonthemonitorofaspectrumdetector,youwouldbeconvincedtotally-complex!Thesedescriptionstellusafactthatovertonesvaryaccordingtotypesofvibratorsoreventhesamevibratorunderdifferentconditions.Thevariancesofovertonesembodyinthefact(1)theactualnumbersoftheovertonesappearingvary;forexample,thetonesproducedbytheflutethatsound“hollow”containmuchfewerovertonesthanthosebythecello(2)thesequencesoftheirappearancevary,(3)theelegantshapingoftheovertonesandtheintensityofeachissocomplexthatnopairofsoundsourcescouldbepossiblythesameunlesstheartificialdigitaltechniquesareemployed,and(4)manymorereasons.Asmentionedearlier,thefundamentalisheardasthepitchandonlythispitch;however,theovertones,thoughnotaffectingthesensationofthispitch,findtheirwayinevitablytothehearingmechanismandaffectone’ssensationofthetimbreortonequality.Ananaloguecouldbeborrowedfordescribingitwhenoneseestwocopiesofapicturewhichareprintedfromthesameprintingmachine,duetoaslightdifferentcolorprocessingforprintingthetwocopies,thefactualcolorsimprintedontothemmaydifferthoughthedifferencesofthepropertiesaresmall.Thegeneralimpressionofthetwocopiesisthesame,butthedifferentcoloringisdetected.Theanalogueappliestothesenseoftimbrewell,thatis,thedifferentpropertiesofovertones,ormoretechnicallythedifferentwaveforms,likethecoloring,makeourperceptionawareofthem—astimbreortonequalityorromanticallytonecolorthoughthesenseofpitchisnotaltered,likethesamegeneralimpressionofthepicture.

          【】Theimplicationsofaknowledgeinthescientificbasicsofsound:

          Ifyouareaskedwhatshouldbethelogicalstartingpointofthestudyformusic.Whatwillyourrespond?Becauseofitscomplicatednatureofmusic,itmayfunction,likethoseanthropologistMerriamidentified,asendeavorsofhumanbeingsforemotional,aesthetical,communicationalandeducationalpurposesorjustforentertainment,ofsocietalandculturalinheritance,oftribalconventionaluses,ofindustrialandcommercialbenefits,ofreinforcingcohesionorconformitytosocialcriteria.Viewedfromdifferentangles,thelogicalstartingpointsforthestudiesofmusicvary.Despitethesemanyfunctionsmusicassumes,onethingisinevitablycertain,thatis,itusessound.Andtheultimateelementsofsoundarerootedinthefourmentalparametersthatarereflectionsofthephysicalpropertiesofvibration.Thesepsycho-physicalrelationshipsshouldbemadeclearthatthephysicalattributesofvibrationarethecausalresourcesonwhichthesenseofsoundisbased;thisistheobjectivesideofthephenomenoninregardofthesubstanceusedformusic,andthesubjectivesideofmentalsensationsofsoundisthereflectionoftheformer.Toreiteratetherelationshipbetweenthesetwosides,thephysicalpropertiespersearenotsoundbutthesound’scausalresources;theyaretherehylic,immunetosubjectivehearing.Basedontheseinterrelationships,theelementsofmusicareorganized.Wemayconsider,therefore,thesefourrelationsandtheirinteractionsasthelogicalstartingpointsforthebeginningstudyofmusic:

          (1)Frompitch-frequencytomusicalelementsofnamesofpitchesorsteps,staffs,intervals,keysandrelatedsignatures,modes,tonalities,and,thoselargerelementsofmelody,harmonyandcounterpoint,etc..

          (2)Fromduration-timetomusicalelementsinlengthsofnotesandrests,beatsandtimesaswellasthetimesignatures,andthelargerelementsofrhythmandsoon.

          (3)Fromloudness-intensitytomusicalelementsofdynamicsembodiedintherelatedterminologiesandsignsindicatingtheartisticrenderingandshapingsuchascrescendo,pianissimo,andtheinteractivedynamiceffectsfromthedomainofrhythmandtime,belongingmainlytothedescriptionabovebutexertingcollaborateddynamiceffectsonmusic.Remember,musicisanorganizedwholewherethefourelementscanneverbeseparatelyfunctioning.

          (4)Fromtimbre-waveformtotherealmoftonequalityortonecolor,thecrucialmusicelementnotonlydeterminedbyoneparticularmusicalinstrumentpresebutalsolargelyshapedthroughnuancesinperformingskillsaswellasthevariousthoughtfultexturingandinstrumentationviacomposingtechniques.

          Pleasekeepinyourmindtheabovefourrootsfromwhichvarietiesofmusicconceptsgenerate.Forexample,whenyoureadtheentriessuchasrhythm,tempomarksandnotesindifferentlengths,discusswithyourselfinyourmindanddecidewhichofthefourcategoriestheseconceptsbelongto.Thisprocesswouldbetterorganizeyourthinkingforyourlearning.

          【】Temperament;Equaltemperament;Justintonation:

          Temperamentisageneraldesignationforvarioussystemsoftuninginwhichtheintervalsare“tempered”,i.e.theydeviatefromtheacousticallycorrectintervalsofthePythagoreanscaleandofjustintonation.Suchadjustmentsarenecessarysincesystemsbasedonthepureintervalsarelimited,restrictingchoiceofkeysaswellasharmonicprogressions.Duringthe16thand17thcenturiesvarioussystemsoftemperedtuningwereinusewhichprovidedforpartialadjustments,sothatanumberofkeyscouldbeused.Thesearecalledunequaltemperament,incontrasttoequaltemperamentuniversallyadoptedduringthe18century.Thepianousestheequaltemperament.

          【】Pitchnames:Pitchnamesarethedesignationsusedtoindicatethevarioustones(pitches).Thebasicstepsortoneswithinanoctave,simplythosewhitekeysatriskofovergeneralizationaswewillseelater,arecalledc,d,e,f,g,a,andb,startingfromeachctob.Toreiteratetheidea,thesetones,inthestudyofmusictheory,arecalledbasicsteps.Withtheaccidentals(thosesignsof#-sharp,b-flat,×-double-sharp,bb—double-flatand口-naturalcancelingthealternations;Forafulldescriptionseebelow)addedon,theoriginalpitchnamesofthebasicstepsgetthecorrespondingpitchnames,e.g.,c-sharp,becauseofchromaticalternations.Aswarnedbefore,cautionsshouldbetakennottotakeitforgrantedthatthewhitekeysarealwaysbasicornaturalsteps,foronemightlogicallyfigureoutthatwhitekeyscouldalsostandforchromaticsteps.Forexample,thetoneofCcouldbeeitherB#orDbbandthesetonesornotes,identicalinsoundbutwrittendifferentlyaccordingtothecontextinwhichtheyappear,arecalledenharmonic.Couldyoucounthowmanypitchnames,ifthebasicandchromaticstepsareallincludedandtheideaofenharmonicisunderconsideration,anoctavepossess?Andthenpleasethinkaboutthisontheactualkeyboardofpianooranimaginedkeyboard:therearetwelvekeys,whiteandblackwithinanoctave,butthirty-fivepitchnames,naturalandchromatic.Whichkey,theblackkeyofcourse,thenhaslessthanthreenames?Andwhy?

          【】Octaveandgroupingofpitches:

          Asweknowit,asamepitchnameisnotusedforonlyonesingletonebutappliestoanytoneanoctaveoroctaveshigherorlowerthanagivenpitch,say,apitchwithinthemiddlegrouponthekeyboard.Therefore,thebasicsteps(pitchesofc,d,e,f,g,aandb)aswellasthechromaticstepsalternatedbyaccidentals,musthaveseveralgroupsofthemonthekeyboardbecauseastandardpianohas88keys,whiteandblack.Eachgroupofthebasicstepsstartsfromcandendswithbwithinacertaingroup.Onthekeyboardofastandardpiano,therefore,thereareninesuchgroupsofpitches(notethattherearetwoincomplete“groups”onthekeyboardofpiano-thelowesthavingthreekeysandhighestonlyone.Tonamethepitchrelatedtotheaffiliatedgroup,takethepitchcforexamplecountedfromthelowesthighup,namesofcontraC1,greatC,smallc,onelinec’,twolinec’’,threelinec’’’,fourlinec’’’’,andfivelinec’’’’’arecalled.Anotherwayistowritethemas,takepitchaforinstance,A2,A1,A,a,a1,a2,a3,anda4.Tonameagroupofpitchesoranoctave,wemaysaycontraoctave,greatoctave,unaccentedoctave,one-lineoctave,two-lineoctave,three-lineoctaveandfour-lineoctave.

          【】Accidentals:Thesignsofaccidentalsareusedtoindicatechromaticalternationsortocancelthem.Thefivesignsare#(sharp),whichraisesthetoneindicatedbyasemi-tone,b(flat)whichlowersbyasemi-tone,×(double-sharp)whichraisesbytwosemi-tones,bb(double-flat)whichlowersbytwosemi-tones,and口(natural)whichcancelsapreviousalternation.Theseaccidentalsapplytothenotebeforeeachtheyappear,aswellasallthenotesofthesamepitchonthesamelineorspacewithinthesamemeasure.Pleaserememberthisbutalsowarnyourselfthatitiseasierrememberedthanactuallyplayedcorrectly.Sometimes,oneplaysthefirstalternatednotecorrectlybutforgetstokeepalternatingthefollowingonesonthesamelineorspacewithinthatmeasurebecausethesignisplacedearlierandnosuchsignplacedafterwards.Didyoueverhavesuchanexperience?Yes?Good!Makingerrorsisanecessarypartoflearning.

          【】Wholetoneandhalf-toneorsemi-tone:Theintervalrelationbetweeneachadjoiningpairoftwowhitekeysonthekeyboardisnotidentical.Theintervalbetweene-fandb-ciscalledhalftoneorsemi-tone—thesmallestinterval-whileotheradjoiningpairsofwhitekeysareofanintervalofwholetone.Awholetoneis,naturally,composedoftwoadditivehalftones.Ahalftoneorsemi-tonealsooccurs,ofcourse,betweenablackkeyandtheadjoiningwhitekey.

          【】Notation;Staff;Linesandspace;Ledgelines:Generally,anysystemofsymbolsdesignedfortherecordingofmusicinwrittenformiscalledmusicalnotation.Thebasiccomponentsofthetraditionalsystem,asusedinourclass,containastaffoffivelinesandothersigns.Thelinesandspacesofthestaff,definedbyaclef,indicatethepitcheswherenotes,restsandothersignsshouldbeplaced.Becausethepitchrangeofastaffperseisnotwideenoughformusicbeyondtherange,shortlinesdrawnunderneathorabovethestaffcalledledgelinesarethususefultorecordpitcheshigherorlowerthanthatofthefourthorthefirstlineofthestaff.OthersymbolsincludekeysignatureifthemusicisnotinthekeyofCandatimesignature,.Furthermore,barlines,accidentals,ties,dots,etc.,areneededforindicatingthebasicmusicrendering.Thereare,however,manyothersystems,olderormodern,tofindnewerdescriptions.

          【】Clefs:Therearethreetypesofclefs,signswrittenatthebeginningofeachstaffthatdesignatethepitchesofthelinesandspaces,representingtonesg’usingGclef,c’andfwithCclefandFclef.TheclefsusedforpianoareGandF.TheGclef,alsocalledtrebleclef,isplacedonthesecondlineofthestaffandindicatesthatthenoteonthatlineisg’.TheFclef,placedonthefourthlineofthestaff,iscalledbassclefindicatingthatthenoteonthatlineisf.Withreferencetothesetwonotesindicatedbythetwoclefs,notesonotherlinesandspacescouldthenbecorrespondinglyreadinregardoftheirnamesofpitchorsteps.TheCclefisgenerallyusedintwopositions,onthethirdline(altoclef)oronthefourthline(tenorclef)andindicaterespectivelyeitherformerorlatterasc’.Asconcernedbyapianolearner,theGclefisemployedintheupperstaffandtheFclefinthelowerstaffforpianomusic.However,itisnotsurprisingtoseethatincertainpiecesofpiano,theGandFclefsarenotusedintheusualwayasaforementionedsothattheunnecessaryledgerlinesarethenwiselyavoidedasdemandedbythemusic’sneeds.

          【】NotesandRests.

          Conceptualizedearlier,onelogicalstartingpointinmusicstudyisthecategoryofduration-timeconcernedwithvaluesandproportionsoftemporallengthsintheprogressionofmusic.Notesandrestsaresignsandnamesindicatingvariousrelativelengthsoftonesandsilences(silencesaremeaningfulmeansofexpression).Intoday’spractice,thecommonuseofnotesandrests,formthelongesttotheshortest,aredesignatedbydifferentlyshapedsignsandnamedaccordinglyinAmericanEnglishandBritishEnglishasfollows:

          Fortheearlymusicfrommid13thcenturytoabout1600,longernoteswereusedintheformofMensuralnotation.Theseoldernotesincludebreve,long,largewiththecorrespondingoldnamesbeingcalledbrevis,longaandmaxims.AbreveistwiceaslongasawholenoteasitsEnglish

          namesemibreveforthelattersuggests.Thereaderisremindedherethat

          monSignsofNotesandRestsandTheirNames

          Notes(Rests)AEBE

          wholenotesemibreve

          halfnoteMinim

          quarternotecrotchet

          eighthnotequaver

          sixteenthnotesemiquaver

          thirty-secondnotedemisemiquaver

          sixty-fourth

          note

          Hemidemisemi-quaver

          thewordnotenormallyreferstoawrittensymbolbutthetoneindicatedisoftenimplicated,thoughthewordtonemainlymeansamusicalsoundorawholetone.

          【】Head,Stem,andHook(Tail):

          Theyarecomponentstoformthewrittenshapesofnotes.Theheadisnecessaryfornotesofanytimevalues.Awholenoteusesaheadonlythatiswrittenasasmallhollow-circleellipseora“whitehead”socalledbymusicians.Theheadforahalfnoteissimilarbutfacingtheoppositedirectionwithastemaddedontheleftorrightrimofthehead.Asolidprintedor“black”headisusedfornoteswhosetimevaluesareshorterthanthehalfnoteforwhichastemappliedtothequarternoteandacertaintypeofhookaddedonthenotesshorterthanthequarternotewhereaone-tailedhookisattachedtothetipofthestem,fortheeighthnote,andatwo-tailedhookforthesixteenthnote.Moretailsareaddedtonotesofshorternotesofthetimevaluesasillustratedinthetablelistedearlier.Referencedwiththenumeralnotation,thenumberofthetailsusedfornotesinthe“five-line”staffisexactlythesameasthoseusedfornotesinthenumeralnotationsystemindicatingintheproportionoftheirvalues.

          Accordingtomusicalnotationthatisanindependentfieldofstudy,anotewithastemshouldbewrittensideupwhenplacedbelowthethirdlineonthestaffandupsidedownwhenthenoteisabovethethirdline.Itissoinprincipletomaintainabalancedsenseofspaceinwritingorprintingthestaff.

          【】Dotanddoubledot;Dottednoteanddottedrest;Tie;Pauseorholdorfermata:

          Allofthemaresupplementarysignsforprolongingtimevaluesofnotesorrests.Adotfollowinganoteoroccasionallyarestprolongshalfvalueofthenoteorrestindicated.Theseconddotinthedoubledotprolongshalfvaluefurtherofthefirstdot.Whenmorethantwonotesofthesamepitchistosustainwithoutinterruptionbetweenthem,atieormoreties,usingthearchingline“⌒”similartothatoflegato,couldbeappliedtoconnectthemsothatthenotesareperformedsustainingthesumoftimevaluesaddedupbythenotescoveredunderthesignoftie.Asanart,musicdoesnotwanttorestrictitselfwithintheproportionedtimevaluesfornotesandrests;afermatathusfunctionswelltomeetthepurposewhichsimplymeanstoholdonthenotestotheperformer’staste.

          【】Irregulargroupingofnotesfortimevalues;Duplet,Triplet,Quadruplet,Quintuplet,Sextuplet,Septuplet:

          Toemancipatemusicfromrigidlyproportionedgroupingofnotes,irregulargroupingsareemployedwhicheffectivelybreaktheordinaryorganizationsfortimevaluessothatvarietiesareobtained.Alternationstakeplacewherethedupletsubstitutesforthree-notesgrouping,thetripletfortwo-notesgrouping,andquadruplet,quintuplet,sextuplet,septupletforgroupingsoffour-notesorso.AgoodexamplecanbefoundinthethirdandfifthmeasuresofourNationalAnthem.Thetripletsproduceastirringandagitatingbuglingthatcanneverbecreatedbyevenlygroupednotesofeighthsorsixteenths.Theaestheticalprincipleofvarietyisperfectlyreflectedherein.

          【】Absolutepitchandrelativepitch(senseof):Sight-singing,fixed-doandmovable-do:

          Absolutepitch,orperfectpitch,isanabilitytonameanymusicaltonesimmediatelyonhearingthemorsingingthemwithoutreferencetohintsofhearingorseeingthenotesplayedonaninstrument.Thisabilityisinmostcasesachievedthroughearlylearningofmusicalinstrumentsordeliberatetraining,butnotnecessarilyaconstituentpartoftraitsfoundinmusicalityformusicians.Itissuggestedthatasenseofabsolutepitch,thoughadmiredbymany,maysometimesbecomeahindranceinthinkingprocessofkeytransposing.Contrarytoabsolutepitch,relativepitchisanabilitytodifferentiateamongintervallictonalrelationships.Thoughunabletonametheexact(absolute)pitchesheard,apersonpossessingthesenseofrelativepitchrecognizesandidentifiesthetonalrelationsintheGestaltistthinking,namely,inawayoforganizedperceptionwhichis,asbeingpostulatedbycognitivists-thosecognition-orientedpsychologists,morecongruentwithactualprocessformusicinhumanmind.Relativepitchisacrucialtraitindispensableformusiclearninganddoing,

          【】Rhythm;Rhythmicpattern;Accent;Syncopation:

          Itisromanticallyconceivedthatrhythmistheskeletonofmusic.Itistruetoanextentbecausemusicisanartbelongingtotemporalphenomenon.Rhythmisthemotioninawayoforganizedtemporalsparse-densestructurewithexpressivepurposes.Rhythm,structuredforcertainstylesofexpression,isoftentimespresentedasapatterncalledrhythmicpattern,rootedinthisorthatculturaland/orhumancausesthroughouthistory,repeatingitselfthroughapassageorawholepieceofmusic,likewhatweknowasWaltzdevelopedfromabout1800whoserhythmischaracterizedmostsalientlybyitsaccompanimentconsistingofalowbassnoteonthefirstaccentedbeatandthechordsonthesecondandthirdbeatsmoderatelyweakinthemiddleregister.Rhythmiscloselyassociatedwiththeideaofaccentthatemphasizesorstressesononetoneorchordnormallyfallingonthefirstbeatofameasureforthesimpletime,withasecondaryaccentoraccentsonotherparticularbeatsofameasureforthecompoundtime.Irregularaccentsarefrequentlyfoundonweakbeatstomeetmusicalexpressiveneeds,andsyncopationisagoodexamplethatrealizesitsspecialrhythmiceffectbyshiftingtheought-to-beaccentinawayoftying(usingatie)aweakbeatwiththefollowingstrongbeatorplacingarestonthestrongbeatorsimplyimposinganaccentsignontheweakbeat.

          【】Meter,time;Barandbarline;Measure;Commonmeter;Simplemeter(s);Compoundmeter(s);Timesignature;Multi-meter;Irregularmeter;Duplemeter(s);Triplemeter(s);Quadruplemeter(s):

          Meteristhebasicwayfororganizingbeatsandaccents.Thevariouswaysofsuchgroupingareindicatedbythetimesignaturepresentedrightafterthekeysignatureatthebeginningofacompositiononthestaffthatiswrittenlikeafraction.Ofthesignature,theuppernumeralindicateshowmanybeatsexistineachmeasure(measuresorbarsaredividedbybarlinesmeaningonlyaccentonthefirstbeatfollowingthatbarline),andthelowernumeralindicateswhatkindofnoteisinlengthforonebeat.Forexample,thetimesignature3/4meansthattherearethreebeatsineachmeasureandeachbeatisvaluedaquarternote.Allthemetersfallmainlyintotwocategoriesdependingonwhethereachmeasurepossessesonesingleaccentorcompoundedaccents.Theformeriscalledsimplemeterandthelattercompoundmeter.Thus,duplemetersincluding2/2,2/4,2/8andtriplemeters3/2,3/4,3/8belongtosimplemeters.Quadruplemeters4/2,4/4and4/8areconsideredbysomeassimplemeters,but4/4aremorefrequentlycalledcommonmeter.Opposedtosimplemeters,compoundmeters,asthetermsuggests,aregroupedtogetherbymultiplyingthesimplemetersintroducedearlierbythree,whereuponcompoundduple,whichisthreetimesofduple,includes6/2,6/4and6/8,compoundtriple9/4and9/8,andcompoundquadruple12/4,12/8and12/16.Themetersmentionedsofarareallregularones.Irregularmetersrefertothosethatcontain,ineachmeasure,morethanonetypeofsimplemeters.Forexample,meterof7/4ispossiblyanirregularcompoundof(2+2+3)/4.Theprincipleappliesto,accordingtothiswriterbutnotnecessarilyagreedbyothers,quintuplemeter5/4thatisactuallythesumof3/4+2/4or2/4+3/4foreachmeasure.Stillanotherconceptconcernswithmulti-meterthatsimplymeansthatmorethanonemeterareemployedthroughoutamusicalpiece.Insuchacase,thetimesignaturesareeitherplacedwherethetimesignaturenormallyisorplacedwherethealternativestakeplace.

          【】Tempoandtempoterm(s);Metronome:

          SomeItaliantermsareuniversallyusedtomarkthetempo:howfastorslowapieceofmusicshouldgo.Fromtheslowesttothefastest,thefrequentlyusedtermsinclude:

          Larghissimo:verybroad

          Largo:broad

          Lento:slow

          Adagio:slowandgentle

          Andante:walking

          Andantino:quickenedwalking

          Moderato:moderate

          Allegretto:ratherfast

          Allegro:fast

          Presto:veryfast

          Prestissimo:extremelyfast

          Accelerando:quickening

          Ritardando:slackening

          Ritenuto:holdingback

          Theabovetermssuggestrelativespeedforacomposition.Toindicateaccuratespeed,Mälzel’sMetronome,abbreviatedasM.M.islistedtoguidetheperformerhowmanybeatsperminuteshouldbeplayed.MetronomewasinventedbyJ.N.Mälzelin1816whichisanapparatusemployingaswingingrodmovingbackandforthwiththenumbertoindicatehowmanytimesofoscillatinggoinaminute,andthesoundofclickssecuresareferencewithwhichtheperformermightsustainthespeedsteadily.