Qua tang hop nhac danh cho cac ban gai

Qua tang hop nhac la ban sao hoan hao cua 1 chiec piano thu nho, sac xao den tung chi tiet. Khong giong nhu nhung hop nhac thong thuong, voi chiec dan piano dac biet nay, tham chi ban khong can phai len day cot cho no, chi can mo nap phim dan nhung ban nhac giao huong noi tieng se thay nhau vang len dong thoi nhung phim dan cung se hoat dong dung theo tung not nhac, het nhu co 1 nhac cong vo hinh dang dieu khien no vay. Va con 1 dieu ki dieu nua ban biet khong, tren thung dan, 1 vu cong ba le dang say sua khieu vu theo tung dieu nhac...