Yoso was an American rock ensemble from California established in 2009. They achieved professional recognition for a musical style characterized by progressive rock and for being a spin-off of the ensemble Circa. The ensemble was founded by Bobby Kimball, Tony Kaye, and Billy Sherwood following the cancellation of a planned Italian tour. Originally announced under the name AKA, the group changed their name to Yoso, which served as a combination of the names Yes and Toto. They achieved professional recognition for a career that began with the addition of drummer Lou Molino III and recording a studio recording in 2009. Their recording career began with the debut studio recording Elements (2010) released on the label Frontiers Records. Yoso achieved professional recognition for their debut live performances in Mexico in October 2009 and the addition of manager Derek Shulman and drummer Jody Cortez in 2010. During their performances, the ensemble played a selection of classic songs from Yes and Toto along with material from their new studio recording. The ensemble became inactive in 2011.