Why are artist paid millions of dollars to perform on tours?

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

Brought a new sophisticated and european influence to jazz piano and is today considered one of the most influential pianists of modern jazz. some of his more famous recordings are, sunday at the village vanguad and waltz for debby. he drew influences from the french impressionist composers claude debussy and maurice ravel, as well as bebop pianist bud powell. his playing can be described as lyrical, sensitive, and introspective yet with an underlining commitment to swing.

The architect senemut built a great mortuary for which egyptian leader