lindgren joined opeth in 1991 as bassist for a show, but ended up switched to guitars. he approximately half of opeth's lead guitar sections. as explained in "the making of deliverance and damnation" on opeth's live dvd "lamentations", lead-playing duties were based on ease of mikael åkerfeldt's vocal delivery and which of the two might want a given solo more. if åkerfeldt was having trouble with a solo, he would hand it over to lindgren, and vice versa. in march 2004, peter and mikael åkerfeldt were both ranked #42 out of the 100 greatest heavy metal guitarists of all time by guitar world.