Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:4/4
K:C
['g e2 d']  
X:1
L:1/8
M:4/4
K:C
 c>A | G6 EG | c>Acd | g<e- e4 g<e d2 | c8 | c>deg/e/ d4 | c<A- A2 c2 d>eg/e/d/4c/4A<Ac/ | d6 e<d | 
 e2 dcc<A- A2 | G>A c3 g/e/d/d/c/A/ | A2 A4 g<e- e6 | e<d- d4 g e2 d c2 d2 | g e2 d e4 | 
 d2 egdc A2 | cA/c/d/c/4d/4e/d/ | c3 A c2 d2 | g<e-ed e2 z2 | g<e-ed c2 g<e | d3 eA<c-cA | 
 d<cAGc<A- A2 | c3 d/e/ | e d2 A | c4 d<d- d2 | e<dc<A- A4 | c<AGA G2 |]  