The Defiant Requiem will present Murry Sidlin’s “Hours of Freedom: The Story of the Terezín Composer” on Dec. 5 at the Ahavath Achim Synagogue in Atlanta, Georgia. The performance will be headlined by soprano Arianna Zukerman and will also feature mezzo-soprano Leah Wool and baritone David Kravitz, under the music director. Instrumentalists include Herbert Greenberg, Julian Schwarz, and Phillip Silver. {…}