Produce music that corresponds to the assigned chord modifications.
'F', 'C7', 'F', 'C7', 'F', 'C', 'G7', 'C', 'F', 'C7', 'F', 'C7', 'F', 'Bb', 'F7', 'Bb', 'Eb', 'F7', 'Bb', 'F7', 'Bb', 'Eb', 'Bb', 'F7', 'Bb'  
X:1
L:1/8
M:2/4
K:F
"F" f2 c>f | ag ga |"C7" g2 c'2 | f2 d/c/=B/c/ ||"F" ff ff | f2 g/f/e/f/ | aa aa | a2 c'/b/=b/c'/ | 
"C7" d' g2 a | b d2 e |"F" gf ed | c2 d/c/=B/c/ | ff ff | f2 g/f/e/f/ | aa aa | a2 c'/=b/c'/d'/ | 
"C" e' g2 c' |"G7" a2 a/g/f/d/ |"C" cc'/c'/ c'c'/c'/ | c'2 z2 ||"F" a2 c/a/b/a/ | 
"C7" g{/b}c' g>d' | c'2 c'/b/^f/g/ |"F" a2 fc/f/ | a2 c/f/b/a/ |"C7" g{/b}c' g>d' | 
 c'/=b/_b/a/ a>g |"F" ff f z ||[K:Bb]"Bb" d2"F7" e2 | g2"Bb" f2 | b2 a2 |"Eb" a2 g2 | c'>b a>g | 
"F7" g f2 g | fe dc |"Bb" d/A/B/G/ F2 | d2"F7" e2 | g2"Bb" f2 | b2 a2 |"Eb" a2 g2 | c'>b a>g | 
"Bb" fb/c'/ d'b |"F7" ag d'>c' |"Bb" bb b z |]  