Tickets for the April 25 Sheryl Crow concert and the May 28 Cheech & Chong concert, both at the Waikiki Shell, go on sale tomorrow morning.

Tickets to see Crow, a nine-time Grammy winner, go on sale at 9 a.m. Saturday at the Blaisdell Box Office and TicketMaster outlets (www.ticketmaster.com, 800-745-300). Tickets are $35 for general admission, $45, $55 and $65 for reserved seating.

For Cheech & Chong's "Light Up America" reunion tour, tickets go sale at 4:20 p.m. Saturday at www.livenation.com. For more information on the tour and presale tickets go to www.cheechandchongtour.com.