sentences:  The group performed their first US concert as part of the South by Southwest Music Festival on March 18, 2011, at the legendary Stubb's BBQ restaurant.A North American tour started in Vancouver on April 7, hitting most major markets in the US including Los Angeles, Chicago, and New York City, as well as the Coachella Valley Music and Arts Festival before concluding May 2 in Montreal.On June 8, they performed for the first time in the UK - a sold out show at the legendary Union Chapel in London.