Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:C
['c2 c2 BcdB cega gece f2 (fd)', 'cege cege']  
X:1
L:1/8
M:2/2
K:C
 G2 | c2 c2 BcdB | cega gece | f2 (fd) e2 (ec) | dcBA G2 (AB) | c2 c2 BcdB | cega gece | 
 f2 (fd) dcBA | GABc defg | ecdB c2 :: G2 | cege cege | defe dcBd | cege cege | (dg)(^fa) g2 G2 | 
 cege cege | f2 (fe) dcBA | GABc defg | ecdB c2 :|  