Sergei Ivanovich Taneyev (1856–1915) and Nikolai Rimsky-Korsakov were among the most important composition teachers and composers of their time who maintained a connection with Tchaikovsky. As Tchaikovsky's favored student, Taneyev maintained a lasting friendship with him. Unlike the Five, Taneyev showed only limited interest in folk music and tended toward a more traditional musical methodology. His compositions were characterized by elegance and technical brilliance. While Taneyev taught in Moscow, Rimsky-Korsakov worked in St. Petersburg. Their students included renowned Russian composers such as Scriabin, Rachmaninoff, and Stravinsky.
A musical prodigy, Taneyev began his studies at the Moscow Conservatory at an early age and developed a lifelong affinity for Tchaikovsky. Their correspondence over two decades reveals Taneyev's open criticism and reservations about Tchaikovsky's works. Rimsky-Korsakov characterized Taneyev's working methods as extremely precise and conscientious. Although Tchaikovsky occasionally criticized Taneyev's lack of musical risk-taking, he praised his mastery of counterpoint and musical form.
Taneyev maintained a friendship with Leo Tolstoy and learned Esperanto, influenced by Tolstoy's interests. His Piano Trio in D major, Op. 22, composed in 1907, demonstrates his personal expressiveness and harmonic richness. Rimsky-Korsakov, on the other hand, viewed his own incomplete Piano Trio in C minor with self-criticism and refrained from publishing it.
In Taneyev's trio, the creative potential of his theme unfolds in a multifaceted way, while Rimsky-Korsakov's trio, despite the composer's initial skepticism, was later completed by his son-in-law, Maximilian Steinberg, and exhibits complex thematic structures. Both compositions demonstrate the versatility and compositional skill of their creators.