Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:G
['(3d^cd b>f a>gd>B c>GE>G B2 A>G F>GA>B', '(3cBc a>g b2 a>f (3gag B>e d2']  
X:1
L:1/8
M:4/4
K:G
 B>c | (3d^cd b>f a>gd>B | c>GE>G B2 A>G | F>GA>B d>Bg>B | A>df>e d>cB>c | (3d^cd b>f a>gd>B | 
 c>GE>G B2 A>G | F>GA>B d>B (3cAF | G2 B2 G2 :: A>B | (3cBc a>g b2 a>f | (3gag B>e d2 B>G | 
 F>dE>c D>BA>G | E>GA>B d>cA>B | (3cBc a>g b2 a>f | (3gag B>e d2 B>G | F>dE>c D>BA>F | G2 B2 G2 :|  