Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:2/4
K:A
['BcBF/A/ BB/c/ E2 A>c B2 G>F EC']  
X:1
L:1/8
M:2/4
K:A
 BcBF/A/ | BB/c/ E2 | A>c B2 G>F | EC E2 | A>cBF/A/ | E2 BF | A4 | F/E/ C2 z | BcBF/A/ | BBGF | 
 E2 AB | EE B2 | G>FEC | E4 | C4 |]  