Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/8
M:4/4
K:G
['gfed Bd d2 gfed ea a2 gfed', 'G2 BG']  
X:1
L:1/8
M:4/4
K:G
 gfed Bd d2 | gfed ea a2 | gfed BddB | cBAG EG G2 :| G2 BG dBGB | G2 BG EA A2 | G2 BG dGBG | 
 cBAG EG G2 :|  