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
['cdcA GECE', 'ecgc Gcec']  
X:1
L:1/8
M:4/4
K:C
 G | cdcA GECE | FDdc BGAB | cdcA GECE | FDGE C<CCG | cdcA GECE | FDdc BGAB | cdcA GECE | 
 FDGE C<CC || f | ecgc Gcec | fedc Bcdf | ecgc Gcec | Fdgf eccf | ecgc Gceg | fadc Bcdf | 
 ecdB cAGE | FdDB cCC ||  