Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
Q:1/8=130
M:4/4
K:A
['A/A/A A2{/B}', '']  
X:1
L:1/8
Q:1/8=130
M:4/4
K:A
 uE |"A" A/A/A A2{/B} A>Bc<e |"Bm" B/B/B (B>c) d>ef<a |"A" A/A/A A2{/B} (A>B)(c<d) | 
"E" ef/g/"A" (a>A) B2 A :| ue |"A" (c/B/A) (e>A)"D" (f>A)"A"(e>A) |"E" G<BB>A G<BB>e | 
"A" (d/c/)B/A/ (e>A)"D" (f>A)(e>c) |"E" ef/g/"A" (a>c)"E" B2"A" (A>e) | 
"A" (c/B/A e>)(A"D" f>)(A"A"e>)A |"E" G<BB>A G<BB>c |"A" A<c"E"B<d"A" c<e"D"d<f | 
"E" ef/g/"A" (a>c)"E" B2"A" A |]  