Write musical pieces that adapt to the predetermined chord shifts.
'C', 'Dm', 'G7', 'C', 'Dm', 'G7', 'C', 'C', 'G7', 'C', 'G7', 'C', 'F', 'G7', 'C', 'G7', 'C', 'F', 'Gm/Bb', 'C7', 'F', 'Gm/Bb', 'F', 'C7', 'F'  
X:1
L:1/4
M:3/4
K:none
[K:C] G |"C" e2 d | c2 G |"Dm" B2 A | f2 e |"G7" e2 d | A2 B |"C" d2 c | G A/B/ c/d/ | e2 d | 
 c2 G |"Dm" B2 A | f2 e |"G7" e2 d | A2 B |"C" c3/2 c/ c | c z z ||"C" e3 |"G7" f A B |"C" c3 | 
 c B c |"G7" d3 | d ^c d |"C" e3 | G/A/ B/c/ d | e3 |"F" f A"G7" B |"C" c3 | c B c |"G7" d3 | 
 G e d |"C" c/c/ c c | c z z ||[K:F]"F" c2 =B/c/ | f2 e |"Gm/Bb" e2 d | d z z |"C7" B2 A/B/ | 
 d2 c |"F" (A3 | A) z z |"Gm/Bb" G3 | G B c |"F" F3 | f A c |"C7" e2 d | c2 e |"F" (f3 | f) z z |]  