Compose a musical piece that incorporates the given motif and adheres to the specified form.
X:1
L:1/8
M:2/4
K:G
['A2 G2']  
X:1
L:1/8
M:2/4
K:G
 D | GGAA | BB A2 | Bc/B/ A2 | G2 z D | GGAA | BB A2 | Bc/B/ A2 | G2 z2 | AGAB | cBAB/A/ | GGAA | 
 BBAd/c/ | B2 A2 | G2 z |]  