the Billboard 200, and the single "Nobody" peaked at No. 14 on the Mainstream Rock Tracks chart and at No. 23 on the Modern Rock Tracks chart in 2004. In 2005, the single "Pressure" peaked at No. 30 on the Hot Mainstream Rock Tracks chart. In 2006, Babylon once again charted at No. 1 on the Top Reggae Albums chart. Roots Rock Riot and Shark Bites and Dog Fights (2006–2010) Throughout the year 2006, the band was writing material for their second album (it was initially set for a fall 2006 release). The band re-entered the studio in early 2007 to record songs for the album. On 23 October 2007, Skindred released its second album, Roots Rock Riot on Bieler Bros. Records. In the United States, the album peaked at No. 6 on the Top Heatseekers chart and at No. 22 on the Top Independent Albums chart. The album Shark Bites and Dog Fights was released in September 2009. Union Black (2011–2012) In 2011, Dan Sturgess was added to Skindred's live lineup. The band's fourth studio album, Union Black, was released 25 April 2011 exclusively to the UK and Europe. On 1 July, it was released in Germany, Austria and Switzerland. The band promoted this with a UK tour, supported by American post-hardcore group Chiodos and Blackpool band Me Vs Hero. The London show was filmed for Scuzz TV in the UK. Skindred also played at several major European festivals including Download Festival on the Acoustic Stage (Friday) and Main Stage (Saturday), Boardmasters Festival, Wacken Open Air, Przystanek Woodstock and Sonisphere Festival in Spain and Switzerland, the Swiss leg of Sonisphere being notable for the first live performance of Warning with Jacoby Shaddix, whose band Papa Roach was also performing at Sonisphere in Switzerland. Kill the Power (2013–2014) In March 2013, the band posted a studio walkthrough of The Chairworks Studio in Cas Vegas, announcing their work on their fifth album. In April, they officially announced the title for their new album to be Kill the Power. The album was then released on 24 January 2014. It debuted on the iTunes chart at No. 37 and then climbed to No. 32 where it peaked. Volume (2015–2016) Between their fifth and sixth albums, Skindred left their label BMG and signed with Napalm Records. On 30 October 2015, the band released the album Volume, marking the shortest amount of time between albums.