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:3/4=40
M:3/4
K:G
['GA B2', 'GA Bc d2 de de dc']  
X:1
L:1/8
Q:3/4=40
M:3/4
K:G
|: G>A | B2 B2 (3(GAB) | c2 B2 (3(GBd) | e2 A2 AB | A4 GA | B2 cB AG | E2 DE GA | B2 G2 GA | A4 :: 
 GA | Bc d2 de | de dc BA | G2 g2 ga |"^NB" g4 GA | Bc d2 de | de dc AG | G2 g2 ga |"^NB" g4 de | 
 fe f>a f>a | ed eg eg | ed cB AG | A4 GA | B2 cB AG | E2 DE GA | B2 G2 GA | G4 :|  