Sergey Yakovlevich Nikitin (Серге́й Яковлевич Никитин, born 8 March 1944) is a prominent Soviet and Russian bard, composer, and biophysicist.He performs both solo and in a duet with his wife, Tatyana Nikitina all over Russia, the former Soviet republics, and other countries with significant Russian-speaking diaspora.Sergey Nikitin is also known as a composer and performer of songs for children.