What album featuring guest artists Ed Sheeran and Gary Lightbody was promoted during Taylor Swift's third concert tour?
Red (Taylor Swift album): Red is the fourth studio album by American singer-songwriter Taylor Swift. Red (Taylor Swift album):  The album features collaborations with producers and guest artists such as Gary Lightbody of Snow Patrol and Ed Sheeran and is noted for Swift's experimentation with new musical genres. The Red Tour: The Red Tour was the third concert tour by American singer-songwriter Taylor Swift. The Red Tour:  Launched in support of Swift's fourth studio album, "Red" (2012), the tour began on March 13, 2013 in Omaha, Nebraska and concluded on June 12, 2014 in Singapore.
Red