Morrison and Paltrow (also a frequent "Glee" guest star) dueted on the Harold Arlen-Yip Harburg classic from "The Wizard of Oz." The song will also appear on Morrison's self-titled solo debut album, which will arrive in stores May 10.
Morrison will also begin a 20-city U.S. concert tour this summer, which launches June 18 at the Orpheum Theatre in Minneapolis.
Morrison received a Tony nomination for his work in Light in the Piazza and also appeared on Broadway in South Pacific, Hairspray, A Naked Girl on the Appian Way, The Rocky Horror Show and Footloose. On "Glee," he plays high school show-choir director and Spanish teacher Will Schuester.