Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/4
M:3/4
K:Gmix
['A B', 'B A', 'B G D']  
X:1
L:1/4
M:3/4
K:Gmix
 G A B | c3/2 B/ c | d c B | A B c | d3 | d e d | (c2 B) | A3- | A3 :: d e d | G2 A | B A G | 
 F2 G | A2 d | c2 A/B/ | c B A | G3- | G3 ::[K:G] G G/F/G/A/ | B G D | B B/A/B/c/ | d2 B/c/ | 
 d d/e/d/c/ | B/G/B/d/c/B/ | A/F/A/c/B/A/ |1 B G D :|2 G3- | G3 ||  