Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
Q:1/8=80
M:2/4
K:D
['A2 AA', 'z2 DFFF DFFF'  
X:1
L:1/8
Q:1/8=80
M:2/4
K:D
 FG | A2 AA | A2 AA | AdcB | A2 z B | AGGG | GFzF | GEDC D2 || z2 | DFFF | DFFF | AGGG | F2 z2 | 
 DFFF | DFFF | A^G=GE | !fermata!D4 |]  