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:6/8
K:D
['Adf d3']  
X:1
L:1/8
M:6/8
K:D
|:"D" dcd (Adf) |"A7" gec dAc |{e}"D" dcd Adf |"A7" gec"D" d3 ::"D" ad'a"Em" bge |"D" afd"A7" gec | 
"D" ad'a"Em" bge |"A7" gec"D" d3 ::"D" Adf Adf |"A7" gec dAF |"D" Adf Adf |"A7" gec"D" d3 :: 
"D" afa afd |"G" bgb"Em" bge"^I" |"G" d'bd'"D" d'af |"A7" gec"D" d3 :|  