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:2/4
K:G
['d GDGA B>cd/c/B/d/ gdcB A2 z d']  
X:1
L:1/8
M:2/4
K:G
 d | GDGA | B>cd/c/B/d/ | gdcB | A2 z d | ed/d/ef | gf/e/dc | BBd/c/B/A/ | G2 z |]  