Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/4
Q:1/4=140
M:6/4
K:D
['d2 A', 'd e']  
X:1
L:1/4
Q:1/4=140
M:6/4
K:D
 B/4c/4 | d2 A F3/2 E/ D | E e d c2 B/c/ | d2 A F2 E | F D2- D2 :: B/c/ | d c d B c d | 
 e d e c3/2 B/ A | d c d e d e | f3 a3 | f3/2 e/ f B c d | e d e c3/2 B/ c | d2 A F2 E | 
 F D2- D2 :|  