Pyotr Konstantinovich Leshchenko (Ukrainian: Петро Константинович Лещенко; Russian: Пётр Константинович Лещенко; 2 June 1898 Isayeve, Odessa uezd, Kherson Governorate, Russian Empire (now Ukraine) – 16 July 1954 Bucharest), a singer in the Russian Empire, and later Romania, is universally considered "the King of Russian Tango"[1] and specifically known for his rendition of "Serdtse"—a tango, sung unusually not in Spanish but in Russian.