Generate a piece of music. The title is Polka.  
X:1
T:Polka (Band 1), S. 266
T:Polka (Band 1), S. 266
C:Music21
L:1/8
M:none
I:linebreak $
K:F
V:1 treble 
V:1
 F/ | F/ f A c F | E A G G | B E G C | E F A z/ A/ | f A c F | E A G G | d3/2 c/ B E | %8
 F F/ F/ F z || %9  