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
['c2 E2 E2 A>G F>GA>B', 'e>fe>d A2- A>G F>GA>B']  
X:1
L:1/8
M:4/4
K:G
|: B>c | d2 G2 G>A (3BAG | c2 E2 E2 A>G | F>GA>B c>Bc>d | (3efe d2 B>AB>c | d2 G2- G>AB>G | 
 c2 E2 E2 A>G | F>GA>B c>AF>G | (3ABA G2 G2 :: (3Bcd | g4 f4 | e>fe>d A2- A>G | F>GA>B c>Bc>d | 
 (3efe d2 B>A Bcd | g2 G2 f>F (3FFF | e>fe>d A2- A>G | F>GA>B c>A (3DEF | A2 G2 G2 :|  