Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:4/4
K:D
['dD D2 FDFA']  
X:1
L:1/8
M:4/4
K:D
 dD D2 FDFA | dfaf gfec | dD D2 FDFA | BGEF GABc | dD D2 FDFA | dfaf gfec | d2 cd BdAF | 
 GBEF GABc :|  