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1、ComposerDavidCopeistheinventorofacomputerprogramthatwritesoriginalworksofclassicalmusic.IttookCope30yearstodevelopthesoftware.Nowmostpeoplecan’ttellthedifferencebetweenmusicbythefamousGermancomposerJ.S.Bach(1685-1750)andtheBach-likecompositionsfromCope'scomput
2、er.Itallstartedin1980intheUnitedStates,whenCopewastryingtowriteanopera.Hewashavingtroublethinkingofnewmelodies,sohewroteacomputerprogramtocreatethemelodies.Atfirstthismusicwasnoteasytolistento.WhatdidCopedo?Hebegantorethinkhowhumanbeingscomposemusic.Herealized
3、thatcomposers，brainsworkIikebigdatabases.First,theytakeinalIthemusicthattheyhaveeverheard.Thentheytakeoutthemusicthattheydislike.Finally,theymakenewmusicfromwhatisleft.AccordingtoCope,onlythegreatcomposersareabletocreatethedatabaseaccuratelyjememberit,andformn
4、ewmusicalpatternsfromit.Copebuiltahugedatabaseofexistingmusic.HebeganwithhundredsofworksbyBach.Thesoftwareanalyzedthedata：itbrokeitdownintosmallerpiecesandIookedforpatterns.11thencombinedthepiecesintonewpatterns.Beforelong,theprogramcouldcomposeshortBach-likew
5、orks.Theyweren'tgood,butitwasastart.Copeknewhehadmoreworktodo-hehadawholeoperatowrite.Hecontinuedtoimprovethesoftware.Soonitcouldanalyzemorecomplexmusic.HeaIsoaddedmanyothercomposers,includinghisownwork,tothedatabase.Afewyearslater，Cope'scomputerprogram,called
6、〃Emmy〃，wasreadytohelphimwithhisopera.TheprocessrequiredaIotofcollaborationbetweenthecomposerandEmmy.Copelistenedtothecomputer'smusicalideasandusedtheonesthatheliked.WithEmmy,theoperatookonlytwoweekstofinish.11wascalledCradleFalling,anditwasagreatsuccessICopere
7、ceivedsomeofthebestrevjewsofhiscareerzbutnooneknewexactlyhowhehadcomposedthework.Sincethatfirstopera,Emmyhaswrittenthousandsofcompositions.CopestillgivesEmmyfeedbackonwhathelikesanddoesn'tlikeofhermusic,butsheisdoingmostofthehardworkofcomposingthesedays!词汇：ori
8、ginal/9rid3ena1/adj有独创性的collaboration/kaa'reijsn/n•合作review/ri’vju:/n•评论feedback/'fi:dbn番反馈注释J.S.Bach约翰•塞巴斯蒂安•巴赫（徳语：JohannSebastianBach，1685年3月31円一1750年7月28闩）,巴洛克时期的徳国作ilh家，杰出的管风琴、
