Molson Canadian Rocks for Toronto, also known as SARSStock, was a benefit rock concert headlined by the Rolling Stones.The Stones had held tour rehearsals in Toronto on more than one occasion; Toronto was also the setting for Keith Richards's 1977 arrest and subsequent trial (for heroin possession). When The Rolling Stones announced the concert, Toronto was still under a SARS warning from the World Health Organization. The publicity garnered by the SARS outbreak led to a downturn in Toronto's to