Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:D
['aaaf afdf', 'aaaf afdf afff afdf', 'cggc egcg', 'affa dafa']  
X:1
L:1/8
M:4/4
K:D
|: fe | dfad fadf | aaaf afdf | g2 g2 egcg | gceg cgge | dfad faAf | aaaf afdf | e2 ed cBAB | 
 cdeA d2 :: z f | aaaf afdf | afff afdf | g2 g2 egdg | gceg cgge | aaaf afdf | afff afdf | 
 e2 ed cBAB | cdeA d2 :: z c | cggc egcg | gceg cggc | dfad faAf | gffe eddc | cggc egcg | 
 g ceg cgge | f2 e2 edcB | Acec d2 :: (3efg | affa dafa | Aafa dafa | gccg AgcG | egcg Agce |1 
 affa dafa | A2 fa dafa | (3gfe ed (3cBA (3Bcd | edce dd :|2 (3Abc (3Bcd (3cde (3def | 
 (3efg (3fga gfed | (3cBA (3Bcd efgA | fAeA d4 :|  