Always the entertainer, Douglas has performed numerous roles with Opera York, Southern Ontario Lyric Opera, Opera Mississauga, Brampton Lyric Opera, Opera Kitchener, Toronto Operetta Theater, Scarborough Gilbert and Sullivan Society, Wave Stage Theater and others including title roles in Don Giovanni, Gianni Schicchi, Rigoletto and Figaro in The Barber of Seville. His most frequent have been Leporello in Don Giovanni, Papageno in the Magic Flute and the Sacristan in Tosca. In addition to his opera and oratorio work, Mr. Tranquada has a long history of directing church choirs in Toronto, Mississauga and Richmond Hill. He is also a regular performer of national anthems for the Toronto Raptors, Toronto Blue Jays, Raptors905, Toronto FC, Toronto Argonauts, Toronto Marlies and formerly the Toronto Maple Leafs.
He performed solo concerts in 2022 and 2023 and plans one for 2024.