Develop a musical work by incorporating the assigned alphabetic representation and given melody.
X:1
L:1/8
M:2/4
K:Bb
['dd/f/ d2 db g2 d2 c2 dc']  
X:1
L:1/8
M:2/4
K:Bb
 dd/f/ d2 | db g2 | d2 c2 | dc b2 | gb/c/ b2 | gb/g/ f2 | g/b/g b2 | gf/g/bg | f4 |]  