In this week's OCS, Houston Public Media's St.John Flynn introduces excerpts from an interview with former Houston Symphony Music Director Hans Graf and Shepherd School of Music composition professor Anthony Brandt about the Houston Symphony's 2012 semi-staged production of Alban Berg's Wozzeck.Murder, madness, infidelity, suicide...this opera has it all!Tune in Saturday at noon to Houston Public Media's 88.7 HD2 to hear Lyric Opera of Chicago's broadcast of this 20th-century masterpiece.