Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:D
['AF F2', 'afdf eB B2 f3 e dfec dBAF']  
X:1
L:1/8
M:4/4
K:D
|: AF F2 G3 B | AF F2 EGFE | D2 FA dfec | dBAF E2 dB | AF F2 G3 B | AF F2 EGFE | D2 FA dfec | 
 dBAF D2 :: de | f3 a g2 fg | afdf eB B2 | f3 e dfec | dBAF E2 fg | af f2 bf f2 | afdf eB B2 | 
 f3 e dfec | dBAF D2 :|  