Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:G
['G,2 D>C B,<G, G,>G E>B A>G F<D']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:G
|: D | G,2 D>C B,<G, G,>G | E>B A>G F<D D>F | E>B F>c G>d A>e | B<g F>c B<G GD | 
 G,2 D>C B,<G, G,>G | E>B A>G F<D D>F | (3(EAB) (3(FBc) (3(Gcd) (3(Ade) | B<g F>c B<G Gd | 
 G,2 D>C B,<G, G,>G | E>B A>G F<D D>F | (3(EAB) (3(FBc) (3(Gcd) (3(Ade) | B<g F>c B<G Gd | 
 G,2 D>C B,<G, G,>G | E>B A>G F<D D>F | E>B F>c G>d A>e | B<g F>c B<G G :|  