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
['GFGB A2', 'fd e2 (fg) afdf g2 ge f2']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCOMB,D | GFGB A2 (Bc) | dBcA BGAF | DGGB A2 (dc) | 
 BGAF G2 (TFD) |{A} GFGB A2 (3(ABc) | d2 gd BGAF | DGGB ABcA | (3(Bcd) AF G2 :: z2 | 
 (Tgfg)e f2 fd | e2 (fg) afdf | g2 ge f2 df | egfa g2 (Bd) | g2 bg f2 af | ed (3(efg) afdf | 
 gabg ecAc | BGAF G2 :|  