Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/4
Q:1/4=130
M:4/4
K:Eb
['B3 B']  
X:1
L:1/4
Q:1/4=130
M:4/4
K:Eb
 G2 G A | B3 B | B c A B | G3 G | G2 =A2 | B2 B2 | B c G =A | B3 B | e2 d2 | c3 B | A G F E | 
 D2 E2 | A2 F2 | E4 |]  