Create melodies that follow the established musical structure, incorporating the given motif.
X:1
L:1/4
M:2/4
K:Bb
['vD D F B, D D C2']  
X:1
L:1/4
M:2/4
K:Bb
|: vD D | F B, | D D | C2 | uC C | F A, | C C | B,2 | vD D | F B, | D D | C2 | uD D | C C | B, A, | 
 G,2 :|  