chordmode r1 =  ggcc-iich-iiii-hcii
chordmode r2 =  z2gg-gggg-ccgg-ccgg
chordmode r3 =  ggcc-iich-ccgg-ccgg

X:1
T: Rock and roll / blues
M:4/4
L:1/4
Q:1/8=120
K:C
CH:1
|: \r1 C | | F | | C |G . F .| \r3 C  . G7  . :|]