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1、4ComposergermsonI’llBeBachComposerDavidCopeistheinventorofacomputerprogramthatwritesoriginalworksofclassicalmusic.IttookCope30yearstodevelopthesoftware.Nowmostpeoplecan’ttellthedifferencebetweenmusicbythefamousGermancomposerJ.S.Bach(1685-1750)andtheBach-likecom
2、positionsfromCope’scomputer.Itallstartedin1980intheUnitedStates,whenCopewastryingtowriteanopera.Hewashavingtroublethinkingofnewmelodies,sohewroteacomputerprogramtocreatethemelodies.Atfirstthismusicwasnoteasytolistento.WhatdidCopedo?Hebegantorethinkhowhumanbeing
3、scomposemusic.Herealizedthatcomposers，brainsworklikebigdatabases.First,theytakeinallthemusicthattheyhaveeverheard.Thentheytakeoutthemusicthattheydislike.Finally,theymakenewmusicfromwhatisleft.AccordingtoCope,onlythegreatcomposersareabletocreatethedatabaseaccura
4、tely,rememberit,andformnewmusicalpatternsfromit.Copebuiltahugedatabaseofexistingmusic.HebeganwithhundredsofworksbyBach.Thesoftwareanalyzedthedata：itbrokeitdownintosmallerpiecesandlookedforpatterns.Itthencombinedthepiecesintonewpatterns.Beforelong,theprogramcoul
5、dcomposeshortBach-likeworks.Theyweren’tgood,butitwasastart.Copeknewhehadmoreworktodo-hehadawholeoperatowrite.Hecontinuedtoimprovethesoftware.Soonitcouldanalyzemorecomplexmusic.Healsoaddedmanyothercomposers,includinghisownwork,tothedatabase.Afewyearslater，Cope’s
6、computerprogram,called“Emmy”，wasreadytohelphimwithhisopera.TheprocessrequiredalotofcollaborationbetweenthecomposerandEmmy.Copelistenedtothecomputer’smusicalideasandusedtheonesthatheliked.WithEmmy,theoperatookonlytwoweekstofinish.ItwascalledCradleFalling,anditwa
7、sagreatsuccess!Copereceivedsomeofthebestreviewsofhiscareer,butnooneknewexactlyhowhehadcomposedthework.Sincethatfirstopera,Emmyhaswrittenthousandsofcompositions.CopestillgivesEmmyfeedbackonwhathelikesanddoesn’tlikeofhermusic,butsheisdoingmostofthehardworkofcompo
8、singthesedays!词汇：original/əˈrɪdʒənəl/adj．有独创性的collaboration/kəˌlæbəˈreɪʃən/n．合作review/rɪ'vju:/n．评论feedback/'fi:dbæk/n．反馈注释J.S.Bach约翰•塞巴斯蒂安•巴赫（德语：JohannSebastianB
