Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:6/8
K:G
['D GBA', 'G2 A']  
X:1
L:1/8
M:6/8
K:G
|: D | GBA ABd | edB A2 D | GBA B2 A | AGE GED | GBA ABd | edB A2 D | GBA B2 A | AGF G2 :: d | 
 e3 edB | ege edB | d3 def | gfe dBA | G2 A | B2 d ege | dBA GED | G2 A BGF :|  