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
['ff/f/ ge', 'AF Af']  
X:1
L:1/8
M:2/4
K:D
|: e | ff/f/ ge | f>f ge | fd ed | g/f/e/d/ BA | ff/f/ ge | ff/f/ g2 | f/e/d ed/c/ | df d :: B | 
 A>B AF | Af af | e>d ef/e/ | dA Bd/B/ | AA/B/ AF | Af a2 | e>f gb | ef/e/ d :|  