Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
['A>BAB d2', 'fdd d fefg a2 gf e b2']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
 f/e/ | d>BAF | A>BAB | d2 f/e/d/e/ | feef | dBAF | A>BAB | d2 f/e/d/e/ | fdd :: d | fefg | a2 gf | 
 e b2 a | beef | dBAF | A2 AB | d2 f/e/d/e/ | fdd :|  