Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:2/4
K:F
['C F>F F2 G2 GA BcBA G2']  
X:1
L:1/8
M:2/4
K:F
 C | F>F F2 | G2 GA | BcBA | G2 z G/A/ | B2 BA | G3 A | F>FFD | D2 z G | G2 G2 | F2 B>B | A>AGE | 
 F2 z |]  