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:D
['AFDF A2 AA dfed dcBA']  
X:1
L:1/8
M:4/4
K:D
|: AB |"D" AFDF A2 AA | dfed dcBA |"G" B2 GB"D" A2 FA |"Em" G2 E2"A" E2 FG |"D" AFDF A2 AA | 
 dfed dcBA | [df]2 [df]2"A" efge |"D" f2 d2 d2 :: fg |"D" a2 af"G" g2 ge |"D" f2 fd edBA | 
"C" =c2 c2 efge | =c2 c2 efge |"D" agfa"G" gfeg |"D" fedd"A" edBA |"D" d2 d2"A" efge | 
"G" f2 d2 d2 :|  