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:3/8=100
M:6/8
K:G
['dBG GBG AFD DFD EFG', 'dBd dBd gfg dBG']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 B/c/ | dBG GBG | AFD DFD | EFG ABc | BAG FED | dBG GBG | AFD DFD | EFG AFD | G3 G2 :: B/c/ | 
 dBd dBd | gfg dBG | cec BdB | ABG AFD | dBd dBd | gfg dBG | EFG AFD | G3 G2 :|  