Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/4
M:6/4
K:C
['d c', 'c B d']  
X:1
L:1/4
M:6/4
K:C
 g d d c B d | g d d c B2 | G3/2 B A c B d | c A F A G2 :| G3/2 B/ A c B d | G3/2 B A c B2 | 
 g d d c B d | c A F A G2 :|  