Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:4/4
K:C
['E2 (3GEG c>GE>G F2 (3AFA c>AF>A G>BG>B', 'A2 (3cAc e>cA>c B>eB>^G', 'c>AF>A G>BG>B']  
X:1
L:1/8
M:4/4
K:C
 E2 (3GEG c>GE>G | F2 (3AFA c>AF>A | G>BG>B d>BG>B | c>ec>e g>eA>G | E2 (3GEG c>GE>G | 
 F2 (3AFA c>AF>A | G>BG>B G>fd>B | c2 c2 c2 :| A2 (3cAc e>cA>c | B>eB>^G E>E^F>G | 
 A2 (3cAc e>cA>c | B>eB>^G E2 e2 | A2 (3cAc e>cA>c | B>eB>^G E2 f2 | (3efe (3ded (3cdc (3BcB |1 
 A2 a2 a2 z2 :|2 A2 z2 [BF]4 || E2 (3GEG c>GE>G | F2 (3AFA c>AF>A | G>BG>B d>BG>B | c>ec>e g>eA>G | 
 E2 (3GEG c>GE>G | F2 (3AFA c>AF>A | G>BG>B G>fd>B | c2 c2 c2 :|  