Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['GABc dBGd gfge edcB cecA BdBG', 'G4 defg afdf gbge fafe defg afdB']  
X:1
L:1/8
M:4/4
K:G
 GABc dBGd | gfge edcB | cecA BdBG | ABcA GFED | GABc dBGd | gfge edcB | cecA BdBG | G2 F2 G4 :: 
 defg afdf | gbge fafe | defg afdB | cecA BdBA | GABc dBGd | gfge edcB | cecA BdBG | G2 F2 G4 :|  