Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['GBA B2', 'GBd def gfe']  
X:1
L:1/8
M:6/8
K:G
 GBA B2 d | edB AGE | GBA B2 G | AGG GdB | GBA B2 d | edB AGE | GBA B2 G | AGG G2 D :| GBd def | 
 gfe fdB | GBd def | gfe def | g/a/ba bge | dBA BGE | GBA B2 G | AGG G2 D :|  