Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:6/8
K:D
['c3 B3 cAA', 'f3 gfg afd']  
X:1
L:1/8
M:6/8
K:D
|: c3 B3 | cAA ABd | c3 BGB | AFD D3 | c3 B3 | cAA AGF | G3 BdB | AFD D3 :: f3 gfg | afd cBA | 
 f3 gfg | afd dfg | a3 g3 | fed cBA | c3 BGB | AFD D3 :|  