Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:3/4
K:A
['c2 Ac ea', 'BE GB', 'cd e2 ae ce d2 fe dB']  
X:1
L:1/8
M:3/4
K:A
|:"^A" E2 cc c2 | Ac ea af | fd d2 d2 | d2 fa fd | dc c2 c2 | Ac ea fd | B2 df ec | cA ce dB | 
 EG Bd BG | A4 E2- ::"^B" E2 cB Ac | cB dc BA | G2 BE GB | A2 fe cA | E2 cB Ac | cB dc BA | 
 G2 BE GB |1 A4 E2 :|2 A3 Bcd |:"^C" e2 ae ce | d2 fe dB | EG BE GB | AG AB cd | e2 ae ce | 
 d2 fe dB | EG BE GB |1 A3 Bcd :|  