Nooneknowsexactly（確切地）whenjazzwasinvented,orbywhom.Bu...
問題詳情： Nooneknowsexactly（確切地）whenjazzwasinvented,orbywhom.Butitissaidthatitbeganintheearly1900s.Jazzwasanewkindofmusic,forAmericaandtheworld,andNewOrleanswasitsbirthplace. Whowerethejazzpione...