Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:4/4
K:G
['B2 B>c', 'd>e f>g a>b a>f']  
X:1
L:1/8
M:4/4
K:G
|: B2 B>c d<B A>G | E>F G>A B2 B>c | B2 B>c d<B A>G | A>B d>e f>d d>A :: d>e f>g a>b a>f | 
 d>e f>a b<e e>f |1 d>e f>g a>b a>f | e>f d>e f<d d>e :|2 f>d e>f d<B A>F | A>B d>e f>d d>A ||  