Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:3/4
K:D
['dc BA', 'FA G4 EG', 'A BA']  
X:1
L:1/8
M:3/4
K:D
 A2 | d2 d2 ce | df A2 Bc | dc BA Bc | de A2 GF | E2 E2 E2 | e4 d2 | dc BA Bc | d4 :: FA | G4 EG | 
 F4 Ac | dc dA FD | A4 FA | G4 EG | F3 d cB | A3 E cB | A4 :: A2 | g3 A BA | f3 A BA | ed cB Ac | 
 df A2 A2 | g3 A BA | f3 A BA | ed cB Ac | d4 :|  