Develop tunes following the predetermined chord changes.
'A', 'G7', 'C', 'F', 'C', 'C', 'G7', 'C', 'C', 'F', 'C', 'D7', 'G', 'C', 'D7', 'G', 'B', 'C', 'G7', 'C', 'G7', 'C', 'G', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'C', 'C', 'Dm', 'C', 'G', 'C', 'F', 'G7', 'C', 'Dm', 'C', 'G', 'C', 'F', 'G7', 'C'  
X:1
L:1/16
M:2/4
K:C
"A" |"G7" E2>F2 |"C" G2G2"F" ABc2 |"C" G4"^(G7)" c2BA |"C" GcBc"G7" defd |"C" e2c2 E2>F2 | 
"C" G2G2"F" ABc2 |"C" G4"D7" c2BA |"G" (3Bg^f"C" (3edc"D7" B2A2 |"G" G4"B" :|"C" Gceg | 
"G7" g2f2 GBdf |"C" f2e2 egec |"G7" fafd"C" egec |"G" B2G2"C" Gceg |"G7" g2f2 GBdf | 
"C" f2e2"G7" fafd"^I" |"C" egec"G7" G2B2 |"C" c4"C" |]"C" EGcG |"Dm" FAdA"C" EGcE | 
"G" DGBD"C" EGcE |"F" FAdc"G7" BAGF |"C" E2C2 EGcE |"Dm" FAdA"C" EGcE |"G" DGBD"C" EGcE | 
"F" FAdf"G7" ecdB |"C" c4 |]  