Producers Michael De Luca and Jennifer Todd today announced the key members of the production team for the 90th Oscars, which will air live on Sunday, March 4, on ABC.

Harold Wheeler, music director, returns for his fifth Oscars telecast. An accomplished orchestrator, composer, conductor, record producer and arranger, Wheeler has received multiple Emmy and Tony Award nominations as well as an NAACP Theatre Award for lifetime achievement. His television credits include the "People's Choice Awards," "AFI's 100 Years…" series and 17 seasons of "Dancing with the Stars." Wheeler also composed music for two Democratic National Conventions and the opening ceremonies of the 1996 Summer Olympics. On Broadway, he has orchestrated musicals including "Hairspray," "The Full Monty," "Dreamgirls," "The Wiz" and "Promises, Promises."