Write musical pieces in accordance with the designated chord shifts.
'F', 'C7', 'F', 'Bb', 'C7', 'F', 'C7', 'F', 'C7', 'F', 'C7', 'F', 'C7', 'F', 'C7', 'F'  
X:1
L:1/8
M:3/4
K:F
 ca gf ed |"F" ca fc F>d |"C7" cb ed E>d |"F" ca fc F2 | ca"Bb" gf"C7" ed |"F" ca fc F>d | 
"C7" eg ec ba/g/ |"F" f2 z4 ||"C7" g>a be dE |"F" F>A ca fd |"C7" E>G cb ed |"F" F>A ca f2 | 
"C7" g>a be dE |"F" F>A ca fd |"C7" E>G cc'/b/ cb/a/ |"F" f2 z4 |]  