240 students from Shoreham, Sheppard, Firgrove, Gosford, Topcliff, Stanley, Gulfstream, Oakdale Park, Humber Summit, and Elia elementary and middle schools in the Jane/Finch area of Toronto with Jon Hendricks, Edward \"Rocky\" Mendes, Don Thomson, Jane Bunnett, Larry Cramer, Bonnie Lester, Aria Hendricks, David Virelles, Archie Alleyne, and the Toronto Mass Choir at Roy Thomson Hall in Toronto, Ontario, Canada art, choir, hall, hendricks, jazz, jon, mass, of, roy, thomson, toronto