For this he contacted guitarist Peter Lindgren, bassist Johan De Farfalla, and drummer Anders Nordin.

[4] Steven Wilson joined Opeth in the studio for their fifth album, 2001's Blackwater Park, producing and providing extra backing vocals and instruments.

[4][6] Per Wiberg joined the band as a keyboardist and recorded Ghost Reveries, which peaked at number 64 on the Billboard 200.

In 2008, the band released their ninth studio album Watershed, which debuted at number 23 on the Billboard 200 and peaked at the top of the Finnish charts.

Their 2014 album Pale Communion achieved some of the band's highest international chart placements, reaching number one in Finland[9] and the top five in several other countries.