Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/16
M:4/4
K:C
['D2(DE) G2G2 BGBd', 'B2G2G2 (3def g2(gf) gbag f2(fe) fagf edef']  
X:1
L:1/16
M:4/4
K:C
[M:2/4][K:G] .a2b2c2 (GE) | D2(DE) G2G2 | BGBd cBAG | FGEF DEFG | AFcF E2(GE) | D2(DE) G2G2 | 
 BGBd efge | dcBA GFGA | B2G2G2 :: (3def | g2(gf) gbag | f2(fe) fagf | edef gfed | B2e2 e2(ge) | 
 dBGB d2(Bd) | (3(efg)(fa) g2(ge) | dcBA GFGA | B2G2G2 :|  