intro as many times as needed
e------------------------------------------------------------------------------
b------------------------------------------------------------------------------
d------------------------------------------------------------------------------
g--------------------------------13---12---------------------------------------
a--13------15------------12----------------------------------------------------
e-----15--------13---10------11------------------------------------------------

solo
e------------------------------------------18h18h18-17h17h17h------------------
b------------------------------------------------------------18h18h18h---------
d---------------------------------------------------------------------19h19h19-
g------------------------------------------------------------------------------
a-10-12-13-15-13-12-10-10-12-8-12-13-15-17-------------------------------------
e------------------------------------------------------------------------------

e------------------------------------------------------------------------------
a------------------------------------------------------------------------------
g------------------------------------------------------------------------------
d------------------------------------------------------------------------------
a------------------------------------------------------------------------------
e-3/4-6-8-10-12-15-18--17------------------------------------------------------