Since 2005, alto saxophonist Willie Sordillo has served as artistic director for Old South Church’s weekly Jazz Worship services, at which he heads a quartet selected from Boston’s finest jazz players. He has performed throughout North America and internationally, and his original compositions have appeared in numerous song books, magazines, and college texts. He has co-led the three-time Boston Music award winners Flor de Caña, freelances with a variety of groups, and leads his own jazz ensembles. He has contributed music to several films and an arrangement to the television show ER. He has performed with or opened shows for Pete Seeger, Ruben Blades, Kurt Elling, Richie Havens, and Tito Puente, and has the great pleasure of backing up a James Brown impersonator.