Develop a musical piece by utilizing the alphabet-based notation of the selected musical form and the provided melodic idea.
X:1
L:1/16
M:2/4
K:Gmin
['G2B2 d2B2 ABAG A4 ABcB AG^FG', 'D2G2 B2G2 FGFE D4 FGAB AGFG']  
X:1
L:1/16
M:2/4
K:Gmin
 G2B2 d2B2 | ABAG A4 | ABcB AG^FG | A2B2 A2G2 | G2B2 d2B2 | ABAG A4 | ABcB AG^FG | A2^F2 G4 :: 
[K:G] D2G2 B2G2 | FGFE D4 | FGAB AGFG | ABcA B2G2 | D2G2 B2G2 | FGFE D4 | FGAB AGFG | A2F2 G4 :|  