Claim: Ernest Seitz was a Canadian composer, songwriter, pianist, and music student who published some of his work under the pseudonym "Raymond Roberts".
Evidence: Ernest Joseph Seitz (29 February 1892 – 10 September 1978) was a Canadian composer, songwriter, pianist, and music educator. Born in Hamilton, Ontario, Seitz received his first musical training from A. S. Vogt in Toronto from 1903-1910. He went to Germany in 1910 where he was a pupil of Josef Lhévinne in Berlin for four years. He published some of his work under the pseudonym "Raymond Roberts" because he did not wish to be associated with popular music. He was later a pupil of Ernest Hutcheson in New York City.