Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/8
M:4/4
K:G
['BG G2', 'bg g2']  
X:1
L:1/8
M:4/4
K:G
 BG G2 BdcA | BGBd cAFA | BG G2 B^cdg | fgaf g2 gd | BG G2 Bdcd | BGBd cAFA | BG G2 B^cde |1 
 fgaf g3 c :|2 fgaf g3 a || bgaf dgge | fdcA FGA z | gbaf gfd^c | dggd g2 ga | bg g2 dg g2 | 
 fdcA FGAc | BG G2 B^cdg | fgaf g3 a | bg g2 dgge | fdcA FGA z | bgfa gfd^c | dggd g3 a | 
 bg g2 dg g2 | fdcA FGAc | BG G2 B^cdg | (3efg af g2 gd ||  