Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:6/8
K:G
['GAG dBG', 'G2 (3d/e/f/ gfg afd efg dBG FAd']  
X:1
L:1/8
M:6/8
K:G
 D | GAG dBG | AcA ecA | GAG dBG | AFD DEF | GAG dBG | AcA ecA | G2 g edc | BGG G2 :: (3d/e/f/ | 
 gfg afd | efg dBG | FAd FAd | FGE D3 | dBd ece | fdf g3 | def gdc | BGG G2 :|  