Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:4/4
K:Emin
['(3BBB B2']  
X:1
L:1/8
M:4/4
K:Emin
 e2 (3BBB B2 AB | dB (3BBB B2 AG | A2 AB GA E2 | DEGD EGeg | e2 (3BBB B2 AB | dB (3BBB B2 AG |1 
 A2 G2 E2 G (A | A) A G2 gfed :|2 AG G3 BAG | AG E3 GAB |]  