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:A
['ec ef/g/ ag fe']  
X:1
L:1/8
M:2/4
K:A
|:"A" ec ef/g/ |"D" ag fe |"A" ec ef/g/ |"D" ag fe |"D" f3 e |"A" ac cB |"D" A/A/A/A/ AB | 
"E7" cB"A" A2 ::"E7" B/B/B/B/ BB/B/ |"A" Aa gf |"E7" ef/g/ ed | e2 ef/g/ |"A" ac cA |"D" df f>f | 
"E7" eg a/g/f/g/ |"A" aa a2 :|  