Torp. Sirenia started recording their fourth album in July 2008. It was recorded in Sound Suite Studios, France and Stargoth Studios, Norway. The mixing and mastering took place in Antfarm Studios, Denmark with Tue Madsen. The album, called The 13th Floor, was completed in September and the release date was 23 January 2009. The album features guest appearances by Jan Kenneth Barkved. The first single, "The Path to Decay", was released on 26 December 2008 as a digital download. 2010–2011: The Enigma of Life On 8 July 2010, the band announced that they started recording a new album. It was finished in November, and will be titled The Enigma of Life. It was released on 21 January 2011. The first single, "The End of It All", was released on 21 December 2010 as a digital download. On 19 April 2011, Michael left Sirenia to put in more time on his own bands and projects. Jan Erik Soltvedt joined the band and filled in as the lead guitarist. Soltvedt accompanied Sirenia on their American and European tours in 2011, including the Gallus Sonorus Musicallis festival (GSM Fest) held in June 2011 in Barcelos, Portugal, and the Wacken Festival in Germany, held in August. On 16 July 2011, and as one of their most important performances of that year, was held at the famous heavy metal festival Masters of Rock, which takes place annually in the city of Vizovice, Czech Republic. Previously, their first and only participation dates from 2008. By the end of July and the beginning of August 2011, Sirenia made their second Latin American tour, which took them back to countries such as Mexico, Brazil, Argentina and for the first time to Peru and Chile in October. 2012–2013: Perils of the Deep Blue On 16 October 2012 Sirenia announced that they have entered the studio to record their next album for an early 2013 release. The band on their sixth album, "The progress on the new album is going very well — we feel confident that the sixth Sirenia album will have some nice surprises up its sleeve, as we've been determined to make this record somewhat different from the previous two albums". On 13 April 2013 the band announced the title of their album on their Facebook page: Perils of the Deep Blue. Their single "Seven Widows Weep" was released through Nuclear Blast on 12 May 2013. On