Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:6/8
K:G
['B2 G', 'AFD D3 AFD', 'GBd gbg gdB ecA', 'Afd Bfd']  
X:1
L:1/8
M:6/8
K:G
|: D | GAG B2 G | BcA B2 G | GDG cAG | F3 AFD | GAG B2 G | BcA B2 c | ded cAF | G3 G2 :: c | 
 BAG AFD | D3 AFD | D3 AFD | EFG ABc | BAG AFD | D3 AFD | ded cAF | G3 G2 :: D | GBd gbg | 
 gdB ecA | dBG cAG | F3 AFD | GBd gbg | gdB ecA | fed cAF | G3 G2 :: A | (4:3:4c/B/A/G/ Afd | 
 Bfd Afd | Bfd AFD | EFG ABcBAG AFD | D3 AFD | ded cAF | G3 G2 :|  