The ROLLING STONES will perform at a July 30th benefit concert in Toronto, to aid the Canadian city after SARS claimed thirty-eight victims and weakened its tourist industry. JUSTIN TIMBERLAKE, AC/DC, the FLAMING LIPS, the ISLEY BROTHERS, KATHLEEN EDWARDS, SAM ROBERTS and the GUESS WHO will also perform at the event, which will be held at Downview Park. Promoters expect up to 500,000 people to attend; 250,000 tickets will go on sale this Friday.