Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/4=140
M:2/2
K:D
['B,<D D>B, E>DE>F', 'D<D F>D', 'd<d d>B e>d e<f A<A', 'e>d e<f']  
X:1
L:1/8
Q:1/4=140
M:2/2
K:D
 A, | B,<D D>B, E>DE>F | A,>A,B,>A, D2 C>A, | B,<D D>B, E>DE>F | A,<A, B,>A, D2 D :: B | 
 D<D F>D A<F E>B | D<D F>D A>D F<D | GB/G/ Fd/F/ E>D E<F | A,<A, B,>A, D2 D :: f | 
 d<d d>B e>d e<f | A<A B>A d2 d>f | d<d d>B e>d e<f | A<A B>A d3 :| f/g/ | a>fd>f e>d e<f | 
 a/g/f/e/ d>A d>ef>d | ga/g/ f/a/g/f/ e>d e<f | A<A B>A d2 df | D<D F>D E2 E>F | D<D F>A A>Bd>e | 
 f>de>B d>FE>F | A,<A, B,>A, D3 ||  