While a student at the TCM, Hewlett held the post of organist-choirmaster at Carlton St Methodist Church from 1890 to 1895. In 1894 he co-founded the
Toronto Mendelssohn Choir, serving as the ensemble's served first
accompanist from 1895 to 1897. In 1895 he moved to
London, Ontario to assume the position of organist-choirmaster at Dundas Centre Methodist Church. From 1896 to 1902 he was the conductor of the London Vocal Society. Around this time he also served as accompanist for singers
Ernestine Schumann-Heink and
Dame Clara Butt in their Canadian recital tours. In 1907 he, along with
J. E. P. Aldous and
Bruce Carey, became co-director of the
Royal Hamilton College of Music. He became sole director in 1918, a position he held until 1939. often leading the ensemble in performances with the
Cleveland Orchestra. In 1927 he conducted a concert celebrating the 60th anniversary of the
Canadian Confederation with a 1000-voice choir. In 1928 to 1929 he was president of the
Royal Canadian College of Organists. He was also active as an adjudicator and examiner throughout Canada during his career. He died in
Bronte, Ontario in 1940. ==References==