Answer
Reinhold Glière was one of the teachers of Mykola Lyatoshynsky. Glière was a Ukrainian composer who was born in the Russian Empire in 1875. He studied music at the Saint Petersburg Conservatory and later became a professor there. Glière was a prolific composer who wrote over 300 works, including operas, ballets, symphonies, and chamber music. His music is often characterized by its lyricism and use of Ukrainian folk melodies.