Develop tunes following the predetermined chord changes.
'D7', 'G', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'G', 'D', 'A7', 'D', 'A7', 'D', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'Am', 'D7', 'G', 'C', 'F', 'C', 'G7', 'C', 'F', 'C', 'D7', 'G', 'D7', 'G', 'F', 'C', 'G7', 'C', 'F', 'C', 'G7', 'C'  
X:1
L:1/8
M:2/4
K:G
 (a/g/) |:"D7" fc' ef |"G" ed b>d |"D7" dc a>c |"G" cB ga/g/ |"D7" fc' ef |"G" ed b>d | 
"D7" gf ab/a/ |1"G" gg ga/g/ :|2"G" gg g z ||[K:D]"D" fA"^D#0" fA |"A7" aa e2 | ge ge | 
"D" ba/f/ dd | fd"^(Bm)" fd |"A7" aa e2 | .g(a/g/) fe |"D" dd/d/ dd |:[K:G]"D7"{/g} fc{/g} fc | 
"G"{/e} dB{/e} dB |"D7" ba f>c' |"G" c'b ag |"D7"{/g} fc{/g} fc |"G"{/e} dB{/e} dB | 
"Am" ea"D7" .f(b/a/) |"G" gg g z ::[K:C]"C" g3 (e/c/) | c'3 (e/c/) |"F" a3 (f/a/) |"C" g2 z g | 
"G7" (TgB) (TgB) | b>b ba |"C" (gc) (gc) | c'>c' c'g | g3 (e/c/) | c'3 (g/e/) |"F" a3 (f/a/) | 
"C" .g2 z g |"D7" (g^f) .c'.e |"G" (ed) .b.g |"D7" (g^f) b>a |"G" gg g z ::"F" aa aa | 
"C"{/a} gg g>e |"G7"{/g} ff f>d |"C" ea ge/c/ |"F" aa aa |"C" gg g>e |"G7" da Bg |"C" cc c z :|  