Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:Amix
['cAA BGG cAA', 'cBA f3 gfg afd dfg agf gfe']  
X:1
L:1/8
M:6/8
K:Amix
 cAA BGG | cAA ABd | cAA BAG | AFD D2 B | cAA BGG | cAA AFD | G2 A (B/c/d)B |1 AFD D2 B :|2 
 AFD D3 |: f3 g3 | afd cBA | f3 gfg | afd dfg | agf gfe | fed e/f/ed | cBA BAG | AFD D3 :|  