Develop a musical piece by utilizing the alphabet-based notation of the selected musical form and the provided melodic idea.
X:1
L:1/4
M:3/4
K:G
['G, B,', 'G B']  
X:1
L:1/4
M:3/4
K:G
 G, B, C | D3 | C B, A, | G,3 | G, B, D | G3 | (A G) F | D D2 | z (E/F/) G | E C2 | (D/E/) G D | 
 D3 | G, B, C | D3 | C B, A, | G,3 :| G B c | d3 | c B A | G3 | G B d | g3 | (a g) f | d d2 | 
 z (e/f/) g | e c2 | (d/e/) g d | d3 | G B c | d3 | c B A | G3 :|  