Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/4
K:G
['GGGB G2 DD']  
X:1
L:1/8
M:2/4
K:G
 D | GGGB | G2 DD | GGGB | G2 DD | AAAA | BGGD | AAAA | BG G2 | d/d/d/d/ d2 |]  