Opeth (Simple English Wikipedia)

Åkerfeldt, Mikael. "Opeth Chapter 5". Opeth.com. Archived from the original on 2008-02-05. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 7". Opeth.com. Archived from the original on 2007-12-31. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 8". Opeth.com. Archived from the original on 2008-02-05. Retrieved 2008-01-12.
Åkerfeldt, Mikael. "Opeth Chapter 9". Opeth.com. Archived from the original on 2008-01-16. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 10". Opeth.com. Archived from the original on 2008-01-20. Retrieved 2009-04-19.
"Tour dates: Opeth.com". Archived from the original on 2009-03-09. Retrieved 2009-04-19.

roadrunnerrecords.com

"Opeth win Swedish Grammy!". Blabbermouth.net. Archived from the original on 2008-05-04. Retrieved 2009-04-19.
"Opeth Mainman Talks About Drummer's Anxiety Attacks". Blabbermouth.net. 2005-03-10. Archived from the original on 2009-01-01. Retrieved 2009-04-19.
"CD reviews". Blabbermouth.net. Archived from the original on 2008-01-18. Retrieved 2009-04-19.
"Guitarist Peter Lindgren Quits Opeth; Replacement Announced". Blabbermouth.com. 2007-06-17. Retrieved 2009-04-19.

swedishcharts.com

"Swedish charts – Opeth". Swedishcharts.com. Retrieved 2009-04-19.

wacken.com

"History of Wacken Open Air 2001". Wacken.com. Archived from the original on 2008-03-24. Retrieved 2009-04-19.

web.archive.org

Åkerfeldt, Mikael. "Opeth Chapter 5". Opeth.com. Archived from the original on 2008-02-05. Retrieved 2009-04-19.
"History of Wacken Open Air 2001". Wacken.com. Archived from the original on 2008-03-24. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 7". Opeth.com. Archived from the original on 2007-12-31. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 8". Opeth.com. Archived from the original on 2008-02-05. Retrieved 2008-01-12.
"Artist Chart History – Opeth". Billboard.com. Archived from the original on 2008-01-19. Retrieved 2009-04-19.
"Opeth win Swedish Grammy!". Blabbermouth.net. Archived from the original on 2008-05-04. Retrieved 2009-04-19.
"CRIA Searchable Database". Canadian Recording Industry Association. Archived from the original on 2016-01-11. Retrieved 2009-04-19.
"Opeth Mainman Talks About Drummer's Anxiety Attacks". Blabbermouth.net. 2005-03-10. Archived from the original on 2009-01-01. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 9". Opeth.com. Archived from the original on 2008-01-16. Retrieved 2009-04-19.
Åkerfeldt, Mikael. "Opeth Chapter 10". Opeth.com. Archived from the original on 2008-01-20. Retrieved 2009-04-19.
"CD reviews". Blabbermouth.net. Archived from the original on 2008-01-18. Retrieved 2009-04-19.
"Tour dates: Opeth.com". Archived from the original on 2009-03-09. Retrieved 2009-04-19.
"Progressive Nation Tour Announcement". Archived from the original on 2009-03-17. Retrieved 2009-04-19.
"Interview with Mikael Åkerfeldt of Opeth". Wnhumetal.com. 2006-02-24. Archived from the original on 2008-01-26. Retrieved 2009-04-19.

webcitation.org

Burgess, Aaron. "Opeth – Ghost reveries". Altpress.com. Archived from the original on 2013-02-11. Retrieved 2009-04-19.

wnhumetal.com

"Interview with Mikael Åkerfeldt of Opeth". Wnhumetal.com. 2006-02-24. Archived from the original on 2008-01-26. Retrieved 2009-04-19.