Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:2/2
K:F
['f2 fa gfed c4', "a2 f2 d2 c'2 gfed c4"]  
X:1
L:1/8
M:2/2
K:F
 (fa)(ga) f2 fa | gfed c4 | BdcB A2 (B/c/d) | cBAG F4 | fafa f2 fa | gfed c4 | dcBA GBAG | 
 FDEC D4 || a2 f2 d2 c'2 | gfed c4 | d2 B2 G2 f2 | cBAG F4 | a2 f2 d2 c'2 | gfed c4 | dcBA GBAG | 
 FDEC D4 | DEFG AFDF | agae f4 | F2 f2 cBAG | Ffed c4 | a2 f2 d2 c'2 | gfed c4 | dcBA GBAG | 
 FDEC D4 ||  