Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/4
M:4/4
K:F
['G3 F E C z2']  
X:1
L:1/4
M:4/4
K:F
 A | B B/ d B | A A c A/A/ | F A G c | A G F z | G3 F | E C z2 | G3 F | E C z2 | F3 d2 | c E F ||  