play this very fast -----15-16-17--------------------------18-20-21----20-21\-----| --------------15-16-17--------------------------18------------| -----------------------15-16-17---------------------------9*b-| --------------------------------/15b--------------------------| --------------------------------------------------------------| --------------------------------------------------------------| ---------------5--------------15--------------12-14-12-13-12-13-15b--| --------------------7b/--20b-----------------------------------------| -----------------6---------------------------------------------------| -------------------------------------21-21b--------------------------| ---------------------------------16----------------------------------| ---------------------------------------------------------------------| this is played very fast, i think its right