Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['A>G E>G D2 (3EFG A>B', 'B>c (3d^cd g>d']  
X:1
L:1/8
M:4/4
K:G
|: B>A | (3GFG A>G E>G D2 | (3EFG A>B c2 B>c | d>gf>g e>dc>B | (3ABA (3GFE D2 (3cBA | 
 G2 A>G E>G D2 | (3EFG A>B (3cdc B>c | d>g (3efg e>cA>F | G2 B2 G2 :: B>c | (3d^cd g>d e>dB>=c | 
 (3dBd g>d e2 B>c | (3d^cd g>d e>d (3d=cB | (3ABA (3GFE D2- D>A | (3GAG F>G (3EFG D>G | 
 (3EFG A>B c>AB>c | d>gf>g e>cA>F | G>D (3cBA G2 :|  