Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:4/4
K:G
['GABc d2 cd']  
X:1
L:1/8
M:4/4
K:G
|: GABc d2 cd | e2 dc B2 G2 | GABc d2 cd | e2 dc AB A2 | GABc d2 cd | fdgd fded | cBAc BAGB | 
 GBAG FA G2 ::  