Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
Q:1/4=140
M:4/4
K:G
['B>c d2 B>d c2 A>c B2 G>B', 'G2 Bc d>B d>B g>a g>B c>A']  
X:1
L:1/8
Q:1/4=140
M:4/4
K:G
 B>c | d2 B>d c2 A>c | B2 G>B A2 F>A | G>AB>c{e} d2 cB | A2 D>D D2 B>c | d>g B>d c>e A>c | 
 B>d G>B (3ABc (3FGA | G>e d>c B2 AG/A/ | G2 G>G G2 :: Bc | d>B d>B g>a g>B | c>A c>A a>ba>A | 
"_NB" (3BGB (3dBd (3gdg (3bag | (3a3/2b/g (3f3/2g/e d2 B>d | d2 (3DBd c2 (3DAc | 
 B2 (3DGB (3ABG (3FED | (3EFE (3cBA G2 FE/F/ | G2 G>G G2 :|  