Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:D
['D2 d2 A2 f2 f2 ed e2', 'e3 d cB A2']  
X:1
L:1/8
M:4/4
K:D
 D2 d2 A2 f2 | f2 ed e2 GF | EFGA B2 cd | edcB AGFE | D2 d2 A2 f2 | f2 ed e2 GF | EFGA BAfe | 
 d2 d2 d4 ::[K:Amin] e3 d cB A2 | e3 d cB A2 | E2 ^GB A2 cA | B2 e2 e4 | e3 d cB A2 | e3 d cB A2 | 
 E2 ^GB cBAG | A2 A2 A4 :|  