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
['FG A2 A4 BA B2 A4 DEFG', 'd4 AGFA d4 AGFE DEFG']  
X:1
L:1/8
M:4/4
K:D
 FG A2 A4 | BA B2 A4 | DEFG A2 B2 | =c2 B2 B2 A2 | FG A2 A4 | BA B2 A4 | DEFG F2 E2 | D4- D4 :| 
 d4 AGFA | d4 AGFE | DEFG A2 B2 | =c2 B2 B2 A2 | d4 AGFA | d4 AGFE | DEFG F2 E2 | D4- D4 :|  