Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:4/4
K:C
['dBB BAB', 'gfg aga bge']  
X:1
L:1/8
M:4/4
K:C
 BEA ue2003 |[M:6/8][K:G]SOSOO .!fermata!PMTCOMg | dBB BAB | dBB B2 g | dBB BAB | GEE E2 g | 
 dBB BAB | dBB BAG | ABc BAB | GEE E2 :: d | gfg aga | bge edB | gfg aga | bge (e>fg/a/) | 
 bag agf | gef g2 e | dBB BAB | GEE E2 :|  