Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
['dddd d2 AB =cccc B2 A2 ddd', '(AF) (AF)ED']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
"^Quick" dddd d2 AB | =cccc B2 A2 | ddd (dA)AF | AFEF D2 D2 :| [DB]2 (AF) (AF)ED | B2 AF A2 A2 | 
 B2 (AF) (AF)ED | EDEF D2 D2 ||  