Construct a musical work using the alphabet-based form and the provided motif.
X:1
L:1/8
M:2/4
K:Bb
['dd/f/dc dd/f/dc bbgd c4 fddd ccbg bcgg']  
X:1
L:1/8
M:2/4
K:Bb
 dd/f/dc | dd/f/dc | bbgd | c4 | fddd | ccbg | bcgg | f4 | d2 dd | dbcc/c/ | cbgg | f4 | gccc | 
 g2 bg | f4 |]  