[Inyo-Mono]

None. Too expensive. Gone are the days when they were actually affordable

No kidding! I saw The Beatles in 1966 for $4.50.

[Olog-hai]

BLS inflation calculator figures that to be $33.52 in 2016 dollars, equivalent to $15.22 in 1986. Try finding a big-name concert with seats that cheap these days, even in the nosebleed section.