Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:4/4
K:C
['G ABcB EAAc BAGd BGGB ABcB EAAe', 'agea ge a2']  
X:1
L:1/8
M:4/4
K:C
 G | ABcB EAAc | BAGd BGGB | ABcB EAAe | dBGB cAA :: e | agea ge a2 | gedg BGdB | agea ge a2 | 
 gegB A2 Ae | agea ge a2 | gedg BGdB | AcBd ceda | gegB A2 A :|  