Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/16
Q:1/4=100
M:2/4
K:G
["g2bg a2c'a", "b2d'b c'2ac'"]  
X:1
L:1/16
Q:1/4=100
M:2/4
K:G
 d2 | g2bg a2c'a | fdef gbd'b | g2bg a2c'a | bd'fa g4 :: b2d'b c'2ac' | bagf gbac' | b2d'b c'2ac' | 
 bd'fa g4 :|  