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:4/4
K:Dmix
['AD (3FED A2 dB', 'D2 cdec d3 B']  
X:1
L:1/8
M:4/4
K:Dmix
 AD (3FED A2 dB | ABAG EFGB | AD (3FED A2 dB | ABGE EDDB | AD (3FED A2 dB | ABAG EFGB | 
 AD (3FED A2 dB | A2 GE{G} ED D2 || cdec d3 B | cdef{a} gedB | cdec d2 dB | cAGE{F} ED D2 | 
 cdec d3 B | cdef{b} gedf | ea{b}ag efed | cAGE{F} ED D2 ||  