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
['B>A AG G2 GGBG FE E4 c>B']  
X:1
L:1/8
M:4/4
K:G
 B>A | AG G2 GGBG | FE E4 c>B | BA A2 AedF | A2 G2 z2 B>A | AG G2 GGBG | FE E4 c>B | BA A2 AedF | 
 A2 G2 z2 G>B | A3 FAGFE | F2 G2 A2 z2 | c3 ccBAG | e3 eedcB | dcBAAGGF | G4 z2 |]  