Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/4
M:3/4
K:G
['g d B', 'g b']  
X:1
L:1/4
M:3/4
K:G
 d | g d B | G3/2 A/ B | c e a | f d (e/f/) | g d B | c3/2 d/ e | d g f | g2 d | g d B | 
 G3/2 A/ B | c e a | f d (e/f/) | g d B | c3/2 d/ e | d g f | g z || g | b g b | a f a | g e a | 
 f d g | b g b | a f a | g f e | d e f | g d B | G3/2 A/ B | c e a | f d (e/f/) | g d B | 
 c3/2 d/ e | d g f | g z ||  