 Opeth entered Fascination Street Studios in November 2007 to record their ninth studio album , with Åkerfeldt producing . By January 2008 , Opeth had recorded 13 songs , including three cover songs . The finished album , Watershed , features seven tracks , with cover songs used as bonus tracks on different versions of the album . Watershed was released on June 3 , 2008 . Åkerfeldt described the songs on the album as " a bit more energetic " . Opeth toured in support of Watershed , including headlining the UK Defenders of the Faith tour with Arch Enemy , an appearance at Wacken Open Air , and the Progressive Nation tour with headliner Dream Theater . Watershed was Opeth 's highest @-@ charting album to date , debuting at number 23 on the US Billboard 200 , on the Australian ARIA album charts at number seven and at number one on Finland 's official album chart . Opeth went on a worldwide tour in support of Watershed . From September to October , the band toured North America backed by High on Fire , Baroness , and Nachtmystium . They returned to tour Europe for the rest of the year with Cynic and The Ocean . 
