Generate a composition that blends the designated melodic theme with the particular alphabetical naming of the musical pattern.
X:1
L:1/8
M:2/2
K:G
['G2 BG cGAG', 'dBd^f g2 g2', '[CE][CE] DB,A,B, G,4 d3 B A2 Gc']  
X:1
L:1/8
M:2/2
K:G
"^A""^*" G2 BG cGAG | BAGE [G,D]4 | G2 BG cGAG | BGAF G4 |"^**" G2 BG cGAG | BAGE [G,D]3 D | 
 G2 BG cGAG | BGAF G4 ||"^B" GBd=f ecec | dBd^f g2 g2 | dBd=f ecec | dBAG G4 | GBd=f ecec | 
 dBd^f g2 g2 | gedc BGAF | (G2 [G,G]4) [Dd]2- | [Dd]B d2 ecec | dBd^f g2 g2 | dBd=f ecec | 
 dBAG G4 | dBd=f ec e2 | dBd^f g2 g2 | gedc BGAF | [G,G]4 |:"^C" G,2 B,2 C2 [CE][CE] | DB,DF G4 | 
 G,2 B,2 C2 [CE][CE] | DB,A,B, G,4 :|"^Substitutions""^*" d3 B A2 Gc ||"^**" dGBG cGAG ||  