Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:D
['A2 FA', 'faaf afdf gfga beeg']  
X:1
L:1/8
M:4/4
K:D
 B | A2 FA DAFA | DAFA BEEB | A2 FA DAFB | ABde fdd :| e | faaf afdf | gfga beeg | faaf afdB | 
 ABde fdde | faaf afdf | gfga beeg | f3 e d3 B | ABde fdd |]  