John David Dunlop (born September 18, 1965 in Ottawa, Ontario) is a Canadian guitarist, composer, producer, recording engineer, and vocalist. Dunlop was a member, writer, guitarist, and back-up singer in Canadian rock band The Full Nine (Disney's Mammoth Records). Since 1996, he has had a successful musical relationship with Rik Emmett, sharing guitar-playing duties in The Rik Emmett Band, Strung-Out Troubadours, and Triumph. Dunlop also owns & operates "Room 9" recording studio in Toronto, Ontario, Canada.