Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:2/4
K:C
['AAcA/c/ AA/c/c/d/e e2 AA/c/ d2 e2 d>c']  
X:1
L:1/8
M:2/4
K:C
 AAcA/c/ | AA/c/c/d/e e2 AA/c/ d2 | e2 d>c A2 ecde/d/ A2 AA/A/cd | ecAG | Ad c2 | dA G2 | AcEE/G/ | 
 A>G A2 | A>G A2 |]  