Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:C
['BAGB AGED GE D2 EAAB cBcd', 'ae (3eee'  
X:1
L:1/8
M:4/4
K:C
 AB | c2 Ac BAGB | AGED GE D2 | EAAB cBcd | eaaf gfed | cBAc BAGB | AGED GE D2 | EAAB cBcd | 
 edcB A4 :: eaag ageg | aebe aede | dg (3ggg gede | gdad gede | ea (3aaa aede | aebe ae (3eee | 
 ge (3eee ae (3eee | bagf gfed :|  