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:Ador
['(3AAA A>B', 'A<GE3/2 a/ g<ee<g e>dB>g e<de>g a<bg>a g<ee<g']  
X:1
L:1/8
M:4/4
K:Ador
|: G/ | (3AAA A>B (3GGG G>B | (3AAA A>B d/c/B/A/ G>B | A>AA<B G>AB<d | c>AB>G A<GE3/2 :| a/ | 
 g<ee<g e>dB>g | e<de>g a<bg>a | g<ee<g G>AB<d | c>AB>G A<GE>a | g<ee<g e<dB>g | e<d (3efg a2 g>a | 
 g<be<g G>A (3Bcd | c<A (3BAG A<GE3/2 ||  