In 1953 Pratz returned to Canada to join the faculty of
The Royal Conservatory of Music (RCM) and become the concertmaster of the
CBC Symphony Orchestra (CBCSO). He also joined the Festival Trio chamber group in 1953 whose other members included the cellist
Isaac Mamott and the pianist
Glenn Gould. Although he only performed with the trio for one year, performed in several notable concerts, including at the
Stratford Festival. Pratz taught at the RCM through 1961 where his notable pupils included
Imant Raminsh,
Bill Richards,
Steven Staryk, and
David Zafer. He remained in his post at the CBCSO through 1961, notably appearing as a soloist in performances of works by
Johannes Brahms (1953),
Henri Vieuxtemps (1954),
John Weinzweig (premiere, 1955), Tchaikovsky (1956),
Giovanni Battista Viotti (1957),
Ferruccio Busoni (1958),
Philip Bliss (1959),
Édouard Lalo (1960),
William Walton (1962), and
Aram Khachaturian (1964). He also working as an occasional guest conductor for the CBCSO radio broadcasts, including conducting all of their performances on the CBC Radio series ''Let's Make Music
and The Music Box''. He later played with the CBC Festival Orchestra in the Canadian premiere of Berio's
Concertino 1951 in 1973. From 1955 to 1960 Pratz served as the concertmaster of the
Hart House Orchestra, with which he also was heard frequently as a soloist. He also appeared frequently as a soloist on the radio series
Stardust and in many CBC recitals during those years. In 1961 he joined the faculty of the
University of Toronto where he founded the
Canadian String Quartet (active from 1961 to 1963), and taught violinist
Campbell Trowsdale. He left there in 1964 to join the faculty of
Brandon University, where he taught through 1966. From 1966 to 1969 he was concertmaster of the
Buffalo Philharmonic Orchestra where he occasionally filled in as conductor. He also gave many recitals during the 1950s and 1960s, often with his sister Frances Pratz or pianist
Leo Barkin accompanying. In 1969 Pratz returned to the Toronto Symphony Orchestra and a year later was appointed acting concertmaster. He was given the post of full concertmaster in 1971, remaining in that role until his retirement due to ill health in 1979. During those years he was a frequent soloist with the TSO and actively performed in many Toronto studio orchestras for recordings of
film scores, commercial albums, and
jingles. He was also active as a teacher both privately and with the
National Youth Orchestra of Canada. Some of his notable students are
Dean Franke,
Carol Lynn Fujino,
Raymond Gniewek,
Myron Moskalyk,
Lenny Solomon, and comedian
Jack Benny. He lived in Florida and then California after his retirement, and died in
Scottsdale, Arizona in 1995 at the age of 80. ==References==