Curtain Call host Charles Sepos chats first with composer Behzad Ranjbaran. They’ll talk about the world premiere of his “Viola Concerto” by viola soloist Paul Silverthorne with the Santa Rosa Symphony, Saturday evening, Sunday afternoon and Monday evening at Weill Hall, Green Music Center.

Next, organist Faythe Freese previews her Sunday afternoon, Creative Arts Series recital at Resurrection Parish.

Finally, Anthony de Mare talks about his Tuesday evening Artist Session, "Liaisons: Reimagining Sondheim from the Piano,” at San Francisco Conservatory of Music.