Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/8=180
M:6/8
K:A
['AcB Afd cea cea', 'eaf faf faf ecA dfd ecA']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:A
|: (3E/F/G/ | AcB Afd | cea cea | AcB AGA | GBd GBd | AcB Afd | cea cea | fdB ABc | BAB A2 :: c | 
 eaf faf | faf ecA | dfd ecA | ecA B2 A | eaf faf | faf ecA | dfd ecA | EFG A2 :|  