Do you mean
Maui Ola: A Benefit Concert for Maui?
I read this article and the list of artists sounds mostly local, hawaiians, or at least I don't identify any wide known artists, legentds, etc.
https://www.mauinews.com/news/commun...elief-efforts/
I read about other concerts but they are local scope too (San Antonio, Sonoma), but no mega concert. I think if someone organizes and asks mega artists (popular, legends), several will accept to help.