Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/8
M:2/4
K:G
['B2 AG (F/G/A)', 'F/G/A/B/ A2', 'Bded Bded']  
X:1
L:1/8
M:2/4
K:G
 B2 AG | (F/G/A) DC | B,dGB | AD D2 | B2 AG | (F/G/A) Dc | B/c/d DA | BG G2 :: gGgG | gG G2 | 
 F/G/A/B/ A2 | F/G/A/B/ A2 | gGgG | gGGA | B2 AG | DG G2 :: Bded | Bded | edcB | AD D2 | Bded | 
 Bded | edef | gG G2 :|  