Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
M:3/4
K:C
['(G>B c2) c(edc B2 B2) (c>B A2)']  
X:1
L:1/8
M:3/4
K:C
"^Andante" (G>B | c2) c(edc | B2 B2) (c>B | A2) (A>Bcd | e>d d2) (d>e) | f2 (fagf | e2 e2) (dc | 
 d>c A2) (G>A) | G4 ||  