Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:2/4
K:G
['BcdB AA d2 AGFE D2 z2 AAFD']  
X:1
L:1/8
M:2/4
K:G
 BcdB | AA d2 | AGFE | D2 z2 | AAFD | Bc d2 | eeFF | G2 z2 |]  