func AddAudio(db *gorm.DB, body *music.Audio, rw http.ResponseWriter) {
music := audio.Audio{DB: db}
res := music.AddAudio(body)
friend.Response(res, rw)
}
func ListSheet(db *gorm.DB, body *music.Sheet, rw http.ResponseWriter) {
sheet := sheet.Sheet{DB: db}
res := sheet.ListSheet(body)
friend.Response(res, rw)
}
func Update(db *gorm.DB, body *music.Audio, rw http.ResponseWriter) {
audio := audio.Audio{DB: db}
res := audio.Update(body)
friend.Response(res, rw)
}