Blues and soul singer Shemekia CopelandBlues and soul singer Shemekia Copeland talked about her upcoming performance in the Chicago Voices Concert.She also performed "Battle is Over." Chicago Voices Concert7:30 p.m. Sat., Feb. 4Lyric's Civic Opera House, 20 N. Wacker Dr., ChicagoTickets start at $39More information: www.lyricopera.org Facebook: Lyric Opera of Chicago