Born with a German name, Ivan Petrov assumed the role of quintessential Russian bass during the age between Mark Reizen and Alexander Pirogov and Evgeny Nesterenko, who followed a generation after. Endowed with a generous instrument -- solid, long-ranged, and refined -- Petrov attained first rank among the low-voiced singers at Moscow's Bolshoi and held his position for more than two decades. The onset of diabetes caused his retirement at age 50, but not before he had left an imposing recorded legacy. Petrov's family were naturalized Germans, resident in Russia under the name ...