Develop tunes following the predetermined chord changes.
'F', 'Bb', 'C7', 'F', 'Bb', 'C7', 'F', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'F', 'C7', 'F', 'Gm', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C'  
X:1
L:1/8
M:2/4
K:F
"F" cA/B/ cc |"Bb" dB/c/ dd |"C7" eg de |"F" dc/=B/ c2 | cA/B/ cc |"Bb" dB/c/ dd |"C7" eg d>e | 
"F" ff f z ::[K:C]"G7" f/f/f/f/ dg |"C" e>g cc |"G7" d>f BB |"C" cd e2 |"G7" f/f/f/f/ dg | 
"C" e>g cc |"G7" d>f BB |"C" cc/c/ cc :|[K:F]"F" c2 A>B | c3 f |"C7" ee dd | B4 | B2 G>A | B3 e | 
"F" dd cc | A4 | c2 A>B | c3 f |"Gm" ee dd | g3 g |"G7" f>e df |"C" ec c2 |"G7" fd d2 |"C" ge e2 | 
"G7" f>e df |"C" ec c2 |"G7" fd g=B |"C" ce c z |]  