> What's the difference?

Disposable income of target audience.

Greater number of people in target audience.

Fewer shows.

Technology enabling more accurate pricing so each customer is able to be targeted to pay as much as they can afford (price discrimination).

Etc.

Also, artists can no longer make money by selling music, so the majority of their income comes from performances now.

Can also be an instance of Baumol’s cost disease.

It might be a factor (thanks for introducing me to this concept!) but I doubt it accounts for all of it

https://en.wikipedia.org/wiki/Baumol_effect

Don't forget 2024 you probably has a much higher disposable income than 2006 you... And might be willing to pay to feel young again for a few hours.

Off to buy some late 90s band tickets!

Wow. This hurts.