Develop a musical piece by utilizing the alphabet-based notation of the selected musical form and the provided melodic idea.
X:1
L:1/4
Q:3/4=75
M:6/4
K:A
['c B A', 'c d c B', 'g a']  
X:1
L:1/4
Q:3/4=75
M:6/4
K:A
"^A" e | a g a e2 e | f e d c B A | c B A c B A | c2 ^d e2 e | a g a e2 e | f e d c B A | 
 c B A d e f | B2 A A2 ||"^B" c | d c B c A c | d c B c2 f | =g f e f ^d b | 
"^First part again" =g3/2 f/ e e2 ||"^C" c | f g a g c d | B3/2 c/ G A F c | f g a g ^e a | 
 g3/2 f/ ^e f2 a | f g a b g e |"^End with the first strain" a g a b2 |]  