Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/8
M:2/4
K:G
['GA B2']  
X:1
L:1/8
M:2/4
K:G
 D G2 GA | B2 A B2 | c2 cc | d2 z B | d2 de | d2 cB | c2 cd | c2 BA | B2 BA | GFED | GBAc | 
 BBzd/e/f/ | g2 dd | e2 ed/c/ | BAGF | G/G/ z |[M:3/4] GA | B2 A2 B2 | c2 d2 c2 | B2 A2 G2 | 
 A4 GA | B2 A2 B2 | c2 d2 edc | B4 A2 | G4 |]  