Tchaikovsky called him a pianist "the Mercy of God". Taneyev, A.I. Siloti and A. Rubinstein also thought highly of him. Pavel (Paul) Pabst is an outstanding pianist-performer, a prominent educator, one of the leading professors of Moscow Conservatory, the creator of his own pedagogic school, composer and editor.

The string quintet does not provide well-tempered open strings. This way, the temperament of the orchestra contains five (excluding the repetitions in the different octaves) fixed points,
c—g—d—a—e