Tickets go on sale at 9 a.m. today for a concert by the hottest hip-hop performer today: Grammy-winning Kanye West comes to the Blaisdell Arena April 9 (yes, one day after U2 plays Aloha Stadium) for a 7:30 p.m. show.

Tickets are $49.50 general and reserved, available at the Blaisdell box office and at Ticketmaster outlets. (877) 750-4400, www.ticketmaster.com.