Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
['Aaf ede fdB AFA', 'a (af)a (af)a (bg)b (bg)b afa agf']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
 C |[K:D]"^1834" A | AFA Aaf | ede fdB | AFA BdF | EEE E2 A | AFG Aaf | ede fdB | AFA faf | 
 ddd d2 :: a | (af)a (af)a | (bg)b (bg)b | afa agf | eee e3 | a3 f3 | ede fdB | AFA faf | ddd d3 :|  