He did further voice studies at the Royal Northern College of Music in Manchester, and in Modena, Italy as a pupil of Arrigo Pola, the teacher of Luciano Pavarotti, and with Diane Forlano in London, England.
[2] In the United States Butterfield has performed with orchestras and choruses in Atlanta, Boston, Cleveland, Denver, New York City, San Francisco, Seattle, and Washington D.C.
In Europe he has performed in concert in numerous places, including the Concertgebouw in Amsterdam, the Palais des Beaux Arts in Brussels, the Barbican Centre in London, the Musikverein in Vienna, and the Grosses Festspielhaus in Salzburg.
In Asia he has sung in Japan, South Korea Hong King, notably appearing as the tenor soloist in an internationally broadcast production of Johann Sebastian Bach's Mass in B Minor from Suntory Hall in Tokyo.
After having lived in England for ten years, he moved back to the West Coast of Canada in 2001 where he was music director of the Vancouver Cantata Singers and in 2003, he established the chamber choir VancouverVoices.