He became conductor of the Leningrad Philharmonic Orchestra in 1926 and conducted there the world première of the Symphony No. 1 by his pupil Dmitri Shostakovich that same year, and the premiere of Shostakovich's Symphony No. 2, dedicated to him, in 1927.
In 1926, he became the conductor of the Leningrad Philharmonic Orchestra and conducted the world premiere of Shostakovich's Symphony No. 1 that year, as well as the premiere of his Symphony No. 2 dedicated to him in 1927.