莫扎特D大调双钢琴奏鸣曲 http://www.gxschool.jsol.net/music2/waiguo/mozate/1/TRACK07.mp3 D大调卡农变奏曲http://163.32.84.102/khedu/class/a1/036/connet/Canon_in_D_Major_by_Pa.mp3D大调小步舞曲 巴赫http://upe.yyfc.com/membersong/songfolder/2006/4/13/b6ef3aefdcb74c81a76688536c174f60.mp3