charted in the top 100 on the US Billboard Charts at number 79. The band joined Nightwish on their Imaginaerum World Tour in North America as special guests during September and October 2012 in the period leading up to the release of Silverthorn, along with guest-vocalists Elize Ryd and Alissa White-Gluz. Following the North American tour Kamelot embarked on a European headlining tour during November 2012, with support on the tour coming from Xandria, Triosphere and Blackguard. The band also toured new countries on Silverthorn including Australia, Korea and Taiwan. The band toured during 2013 with the band Delain, and string quartet Eklipse. During this leg of the tour, keyboardist Oliver Palotai sat out while he and girlfriend Simone Simons of the band Epica awaited the birth of their first child. Epica keyboardist Coen Janssen filled in for Palotai. The touring cycle for the album ended with tours in Europe, North America and finally in South America 2014. In 2014 the band took some time off from touring, to concentrate on working on the next album. They only played two festivals in Europe, Sweden Rock Festival and Masters@Rock Festival and two club shows, one in Trondheim and one in Haarlem. In Haarlem they played a special acoustic set that included the live premiere of Welcome Home and the acoustic premiere of Karma. Haven, The Shadow Theory, and line-up changes (2015–2019) On February 23, 2015, it was announced that the eleventh Kamelot album would be called Haven. It was released on May 5 of that year. Alissa White-Gluz, Troy Donockley, and Charlotte Wessels appear as guests on the album. Three music videos were released for Haven: "Insomnia", "Liar Liar (Wasteland Monarchy)" and "My Therapy". The album was well received by critics and fans which resulted in entering the US Billboard Charts at number 75 and the Billboard Hard Rock Charts at number 1. Shortly before the release of the album Kamelot began a new world tour to promote the album which started in North America with DragonForce as special guests. During summer they played at Masters of Rock, Kavarna Rock Fest and Rock by the River Festival. Later in the year the band returned to Europe with Kobra and the Lotus and Gus G as support. Between their shows in Milan and Strasbourg, they headed to Japan over the weekend, to play at Loud Park Festival for the first time. 2015