Opeth frontman Mikael Åkerfeldt recently played Kurt Cobain's guitar at the Martin Guitars factory but was unimpressed, describing it as "very beat up" and lacking any special feel. Despite being a Nirvana fan, Åkerfeldt found the guitar underwhelming, even though it was rumored to be haunted. In a separate encounter, Åkerfeldt met Abba's Agnetha Fältskog while recording an album, expressing his starstruck reaction to the iconic singer. Opeth's latest album, The Last Will And Testament, was released in November, and the band is currently touring Europe.