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1、12ComposergermsonI’llBeBachComposerDavidCopeistheinventorofacomputerprogramthatwritesoriginalworksofclassicalmusic.IttookCope30yearstodevelopthesoftware.Nowmostpeoplecan’ttellthedifferencebetweenmusicbythefamousGermancomposerJ.S.Bach(1685-1750)andtheBach-likecompositio
2、nsfromCope’scomputer.Itallstartedin1980intheUnitedStates,whenCopewastryingtowriteanopera.Hewashavingtroublethinkingofnewmelodies,sohewroteacomputerprogramtocreatethemelodies.Atfirstthismusicwasnoteasytolistento.WhatdidCopedo?Hebegantorethinkhowhumanbeingscomposemusic.H
3、erealizedthatcomposers，brainsworklikebigdatabases.First,theytakeinallthemusicthattheyhaveeverheard.Thentheytakeoutthemusicthattheydislike.Finally,theymakenewmusicfromwhatisleft.AccordingtoCope,onlythegreatcomposersareabletocreatethedatabaseaccurately,rememberit,andform
4、newmusicalpatternsfromit.Copebuiltahugedatabaseofexistingmusic.HebeganwithhundredsofworksbyBach.Thesoftwareanalyzedthedata：itbrokeitdownintosmallerpiecesandlookedforpatterns.Itthencombinedthepiecesintonewpatterns.Beforelong,theprogramcouldcomposeshortBach-likeworks.The
5、yweren’tgood,butitwasastart.Copeknewhehadmoreworktodo-hehadawholeoperatowrite.He12Composergermsoncontinuedtoimprovethesoftware.Soonitcouldanalyzemorecomplexmusic.Healsoaddedmanyothercomposers,includinghisownwork,tothedatabase.Afewyearslater，Cope’scomputerprogram,called
6、“Emmy”，wasreadytohelphimwithhisopera.TheprocessrequiredalotofcollaborationbetweenthecomposerandEmmy.Copelistenedtothecomputer’smusicalideasandusedtheonesthatheliked.WithEmmy,theoperatookonlytwoweekstofinish.ItwascalledCradleFalling,anditwasagreatsuccess!Copereceivedsom
7、eofthebestreviewsofhiscareer,butnooneknewexactlyhowhehadcomposedthework.Sincethatfirstopera,Emmyhaswrittenthousandsofcompositions.CopestillgivesEmmyfeedbackonwhathelikesanddoesn’tlikeofhermusic,butsheisdoingmostofthehardworkofcomposingthesedays!词汇：original/əˈrɪdʒənəl/a
8、dj．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
