Cornwall Ontario — The Port Theatre is hosting two great shows in the coming weeks. On Saturday, October 19th, fans can enjoy Triple Threat, a show featuring Nickelback, Aerosmith and Led Zeppelin tribute acts. That will be followed by Shock Treatment on Saturday, October 26th, featuring tributes to Ozzy and Black Sabbath. Tickets for both shows are available at Melody Music, the Cornwall Square Lottery Kiosk and the Port Theatre Box Office (1 pm – 4 pm).