 After this, they performed at the 20th annual WJRR Earthday Birthday on April 13, 2013, and at the Gulfport Music Festival a month later.The Offspring spent much of the spring, summer and fall of 2013 playing shows in Europe, the United States and South America.In November and December of that year, they will play Warped Tour for the first time in eight years, this time in Australia.