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:D
['AG F2 G2 B2 A2 f2 fafd']  
X:1
L:1/8
M:2/4
K:D
 AG |"D" F2 A2"G" G2 B2 |"D" A2 f2 fafd |"Em" B2 e2"A7" efec |"D" A2 D2 D2 :: fe |"G" d2 B2 BcdB | 
"D" A2 F2 F3 A |"Em" G2 E2"A7" EFGE |"D" F2 D2 D2 :|  