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:D
['dB A2 (3FED ADFD ADFD A2 FA', 'B2 ag fada fadf afdf a2 gf']  
X:1
L:1/8
M:4/4
K:D
 dB | A2 (3FED ADFD | ADFD A2 FA | B2 GB EBGB | defd BAFA | dcdf efdB | AF F2 ABdf | afef dBAF | 
 EFGA B2 :: ag | fada fadf | afdf a2 gf | gbed gaba | g3 a bafa | afea fedB | AF F2 ABdf | 
 afef dBAF | EFGA B2 :|  