Kurt Moll
Bio: Kurt Moll (11 April 1938 – 5 March 2017) was a German operatic bass singer who enjoyed an international career and was widely recorded.
His voice was notable for its range, a true basso profondo, including full, resonant low and very-low notes with relaxed vibrato; also for its unusual combination of extreme volume-capacity and a purring, contrabassoon-like timbre