Sergei Rachmaninoff (1873–1943) was a Russian composer and virtuoso pianist who bridged the Romantic and modern eras. His compositional voice combined lush harmonic language with deeply expressive melodic writing, making him a central figure in late Romantic music. Rachmaninoff's ten Preludes, Op. 23, and thirteen more from Op. 32 represent some of the most performed solo piano works in the repertoire, each a miniature exploration of harmonic color and pianistic technique.
As both composer and performer, Rachmaninoff understood the piano intimately. His preludes balance accessibility with sophistication, offering students insight into chromatic harmony, voice leading, and the expressive possibilities of the keyboard without demanding virtuosic pyrotechnics.