Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:4/4
K:A
['B,=C ^CEAc eaga bagb aece (3faf df', 'ea (3aaa']  
X:1
L:1/8
M:4/4
K:A
|: B,=C | ^CEAc eaga | bagb aece | (3faf df eAce | fedc BEGB | cAEA CEAc | dBFB DBFB | 
 GBgf ec (3dcB | Aaec A2 :: cd | ea (3aaa eaca | ea (3aaa c'aec | df (3fff ^dfba | gbfb edcd | 
 ea (3aaa eaca | Aa (3aaa c'aec | defd caga | (3efe (3dcB A2 :|  