The Tam-Tams as described by Wikipedia:
Mount Royal hosts a unique activity in summer time known as the "Sunday Tam-Tams", whereby hundreds, or if the weather is nice, thousands of Montrealers and visitors play tam-tams (a type of hand drum) on the east slope of the mountain, around the monument to Sir George-Étienne Cartier. The Sunday gatherings attract people of various backgrounds, and often dozens of tam-tam players perform their art at the same time, encouraging others to dance. Attendees also engage in other activities, such as the smoking of marijuana, footbag, frisbee, sunbathing, guitar-playing, Boffer wars (occasionally interrupted by zombie...
This is a mural on the side of a building I was quite taken with in Tarragona
I looked the painter up and he's done a a lot of stuff in Catalonia
www.carlesarola.com
Tarragona's a great city for walking round. It's up...