Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:3/4
K:G
['', 'c<A B2- BG', 'f<d e2- ed c/d/e A2- Ad c<A']  
X:1
L:1/8
M:3/4
K:G
 d c<A |: B2- BG A/B/c | d2- dd c<A | B2- BG F/G/A | D2- Dd c<A | B2- BG A/B/c | d2- dg f<d | 
 c2- cB A<B |1 G2- Gd c<A :|2 G2- Gg f<d |: e2- ed c/d/e | d2- dg f<d | e2- ed c/d/e | A2- Ad c<A | 
 B2- BG A/B/c | d2- dg f<d | c2- cB A<B |1 G2- Gg f<d :|2 G2- Gd c<A ||  