 Amongst his pupils were Sergei Lyapunov, Nikolai Medtner and Alexander Goldenweiser.Pyotr Ilyich Tchaikovsky frequently attended concerts given by Pabst, and used to refer to Pavel, as he was then known, as "a pianist of divine elegance", and "a pianist from God".In 1884, Tchaikovsky appointed Pabst to edit his piano works for publication.