Develop a musical piece by utilizing the alphabet-based notation of the selected musical form and the provided melodic idea.
X:1
L:1/8
M:6/8
K:Amix
['EFG ABd', 'cAG ABd']  
X:1
L:1/8
M:6/8
K:Amix
 e | dcA GFG | AFD DEF | EFG ABd | e3 e2 f | edc AGF | G2 E EFG | ABd cAG |1 A3 A2 e :|2 A5 f/g/ || 
 agf g2 e | fed cAG | ABd efg | a3 a2 b | agf g2 e | fed cAG | ABd cAG |1 A3 A2 f/g/ :|2 A3 A2 ||  