Construct a musical work that combines the specified musical pattern's alphabetical representation and the given melodic motif.
X:1
L:1/8
M:2/4
K:Bb
['FdBF FdBF FecF']  
X:1
L:1/8
M:2/4
K:Bb
 f | f3 d | d3 d | c2 FF | B3 F | FdBF | FdBF | FecF | B3 f | f2 dd | d3 d | c2 FF | B3 F | FdBF | 
 FdBF | FecF | B2 z2 | ccFF | BB B2 | ccFF | FB B2 | FdBF | FdBF | FecF | B4 | ccFF | BB B2 | 
 ccFF | FBB |]  