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:4/4
K:G
['G4 DGBd d4 cBAG E4 z2 GE']  
X:1
L:1/8
M:4/4
K:G
 D>G | B3 AGGGB | D4 z2 DG | A3 GFAcB | G4 DGBd | d4 cBAG | E4 z2 GE | DG G2 FAcB | G4 DGBd | 
 d4 cBAG | E4 z2 GE | DG G2 FAcB | G4 z2 |]  