Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:D
['d c B F A2']  
X:1
L:1/8
M:2/4
K:D
 f3/2 e/ d c | B F A2 | B3/2 f/ d c | B F A2 | F A d c/ B/ | A/ A B/ d F | A/ A/ A/ B/ A D | 
 F E/ F/ D2 |]  