Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/4
M:3/4
K:G
['A G', 'B A']  
X:1
L:1/4
M:3/4
K:G
|: d | d3/2 e/ d | B A G | E G E | D2 D | G2 G/G/ | A G A | B3- | B2 d | d e d | B A G | E G E | 
 D2 D | B3/2 B/ B | A G A | G3- | G2 :| G | e3/2 e/ e | c d e | e d3/2 ^c/ | d2 B | A A A | 
 e d ^c | d3- | d2 d | d3/2 e/ d | B A G | E G E | D2 D | B2 B/B/ | A G A | G3- | G2 ||  