The vocal ensemble, directed by Shaun Gauneer, will present “Metamorphosis,” a program of folk songs from Ireland, Hawaii, South America, Jamaica and other countries that celebrate spring, at 7 p.m. Saturday, May 11, in the Music Recital Hall on the Southern Oregon University campus, 1250 Siskiyou Blvd. Tickets cost $12 in advance and can be purchased at the Performing Arts box office. Call 541-227-3227.