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:G
['BGBd cBce', '|{a} gdef gfge']  
X:1
L:1/16
M:2/4
K:G
 BGBd cBce | gedB ABGD | BGBd cBce | gedB A2G2 | BGBd cBce | gedB ABGD | BGBd cBce | gedB A2G2 :: 
 g2z2B2 z2 |{a} gdef gfge | dBGB cBce | gedB A2G2 | g4 d4 |{a} gdef gfge | dgba gfge |1 
 defa g2G,2 :|2 defa g2 z2 ||  