Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/4
M:4/4
K:G
['B B']  
X:1
L:1/4
M:4/4
K:G
 D | G G G/F/ E | D F A c | B B A2 | G2 z G/A/ | B B B B | A d c2 | A2 A2 | B c d c | B B A2 | 
 G2 z G/A/ | B B B B | A d c2 | A2 A2 | B c d c | B B A2 | G2 z |]  