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
Q:1/4=104
M:6/8
K:G
['AGG G2', 'd2 g']  
X:1
L:1/8
Q:1/4=104
M:6/8
K:G
"^Moderato" D | GBB BcA | AGG G2 d | dFF FGA | AGG G2 D | GBB BcA | AGG G2 d | d^cc cde | edd d2 || 
 g | fga a2 c | Bcd d2 g | fga c2 A | Bdd d2 g | gfg gfg | ece gfe | ded cBA | AGF F2 ||  