Aleksander Michałowski was a Polish pianist, pedagogue and composer who, in addition to his own immense technique, had a profound influence upon the teaching of pianoforte technique, especially in relation to the works of Chopin and J.S. Bach, and left this legacy among a large number of pupils.

Stanisław Barcewicz was a Polish violinist, conductor and teacher. Although his repertoire included almost all of the classical and romantic violin literature, he was valued primarily for his interpretations of works by Henryk Wieniawski and Felix Mendelssohn. He also premiered works by his teacher Pyotr Ilyich Tchaikovsky, including the Polish premiere of the Violin Concerto in D. He played on a Guadagnini violin.