ISITTIMETOGET-MP3Yourcomputerhasbeenplayingmusicforyears,oneCDatatime.NowhundredsofsongscanbestoredinyourPCifthey’reintheMP3format.Whatisit?MP3compresses(压缩)musicintosmallcomputer—friendlyfiles.YouaccessMP3musicseveralways:Tunescanbedownloadedfromwebsitesthathaveconverted(转变)vastmusiclibrariesintoMP3.OryoucanprerecordedCDsintoyourPCandconvertsongsinminutesintoMP3.OnceMP3musicisonyourPC’sharddrive,youcanplayitthroughyourcomputer’sspeakers,“burn”itontoblankCDsorswap(交换)MP3fileswithfriendsusinge—mail.Howmuch?SoftwareneededtoplayandconvertMP3musicisoftenfree.Itispreinstalled(预先安装)onmostnewcomputersorcanbedownloadedfrommanywebsites,includingMP3,com.SomeMP3sitesarefree.Justtypeataround$50andcanholdhundredsofsongs.AblankCDonwhichyoucanrecordmusiccostsaboutadollar.AdvantagesMP3turnsyourhomePCintoajukebox(自动唱机).TinyMP3playersarethesizeofadeckofcards,makingiteasytotakehundredsofsongswithyou.DisadvantagesYoumayfindthatmusicatmanysitesislimited.Andsomeonlyallowyoutolistenratherthandownloadofferings.Othersletyoudownloadmusicthatthencan’tbecopiedtoMP3players.AndagrowingnumberofnewCDsmakeitimpossibletocopysongstoacomputer.小题1:HowcanyougetMp3music?