original: Between 1898 and 1901 he was a choral coach and subsequently an assistant conductor at the Bayreuth Festival.
simplifications: Between 1898 and 1901 he was a choral coach and later an assistant conductor at the Bayreuth Festival. He was a choral coach and assistant conductor at Bayreuth Festival between 1898 - 1901. He was a singing coach and an assistant conductor at the Bayreuth Festival between 1898 and 1901. Between 1898 and 1901 he was a choral coach. He then became an assistant conductor at the Bayreuth Festival. Between 1898 and 1901 he was a singing coach and then an assistant conductor at the Bayreuth Festival. Between 1898 and 1901 he was a singing coach and an assistant conductor at the Bayreuth Festival. He was a choir coach then assistant conductor of the Bayreuth Festival from 1898-1901. From 1898-1901 he was a choral coach and later the assistant conductor at the Bayreuth Festival. Between 1898 and 1901 he was a choral coach. Later on he became an assistant conductor at the Bayreuth Festival. Between 1898 and 1901 he was a choral coach and then assistant conductor at the Bayreuth Festival.