Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
Q:1/8=80
M:6/8
K:none
['c2{e} A']  
X:1
L:1/8
Q:1/8=80
M:6/8
K:none
|: e |{ag} a2 e{gcd} c2{e} A |{g} A3/2{d}c/e{ag} a3 |{g} a>gf{gef}e>dc |{g} B>cd{gcd}c>B{d}A | 
{ag} a2 e{gcd} c2{e} A |{g} A3/2{d}c/e{ag} a3 |{g} a>gf{gef}e>dc |{gef} e>c{d}A{GAG} A2 :: B | 
{gcd} c2 e{g}e>fe |{g} e>fe{gcd} c2{e} A |{Gdc} d2 f{g}f<af |{g} f>ga{fg} f2 e |{gcd} c2 e{g}e>fe | 
{g} e>fe{gcd} c2{e} A | a>gf{gef}e>dc |{gef} e>c{d}A{GAG} A2 :|  