Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:3/4
K:G
['', 'G>A B2 d>e dB A2 G>E GA', 'd/e/f g2 g>f ed e3 e/f/ gf'  
X:1
L:1/8
M:3/4
K:G
 G>A |: B2 d>e dB | A2 G>E GA | B3 G B/A/G/A/ |1 G4 G>A :|2 G4 d/e/f || g2 gf f/e/d/f/ | 
 e2 dB d/e/f | g2 g>f ed | e3 e/f/ gf | e2 dB e/d/B/A/ | G2 A/G/E/D/ G>A | B3 G B/A/G/A/ | 
 G4 G>A ||  