will go to World Wide Fund for Nature. After the release of Design Your Universe, Epica set out on a World Tour to support the album. They did a CD release party at The Paradiso in Amsterdam. They performed at some summer festival concerts in the summer of 2010 and returned to the United States and Canada in late fall 2010. Several dates in Europe, especially in the Netherlands, were sold out. The band also did a South American Tour, performing in Brazil, Argentina, Chile, Peru, Bolivia and Uruguay. They played also in many important rock and metal festivals in Europe, such as Wacken Open Air, Pinkpop and Masters of Rock, in front of very large audiences. Requiem for the Indifferent and Retrospect (2011–2013) In an interview in November 2010, Simone stated that the band was going to start writing music around February 2011 after their Latin American tour is over. She also stated that they were hoping for a release in the first quarter of 2012. 14 tracks were written without lyrics by May 2011. The band entered the studio later that year, with Sascha Paeth once again as the producer. On December 1, the band announced that the name of the album would be Requiem for the Indifferent, and would be inspired by such factors as the enormous tension between different religions and cultures, wars, natural disasters and the financial crisis. The album was released on March 9, 2012 in Europe, and on March 13, 2012 in the United States. On March 25, 2012, Epica announced on their website that original bassist Yves Huts and Epica had parted ways, to be replaced by Rob van der Loo (ex-Delain, MaYaN). On April 24, the music video of Storm the Sorrow was officially released, earning 128,000 views on YouTube on the release day. General response to Requiem for the Indifferent was positive. AllMusic stated that the album "is a typically elaborate and ambitious affair, incorporating copious amounts of choral work and classical arrangements into the band's neatly established blend of goth, progressive, power, and symphonic metal." Natalie Zed of About.com staff considered Requiem for the Indifferent "a transitional album for the band", which tries to expand their musical range experimenting with "weird" riffing and new combination of vocals, while "losing none of the richness that has gained them fans." On 16 September 2012, the band made a guest appearance on