Complex sentence: Core Slik Toxik fans disagreed with "Irrelevant's" thrashier, grungier riffing and sullen lyrics, feeling that the band had given up on their trademark tongue-in-cheek lyrical stance in order to follow alt-rock trends.
Split into simpler sentences: Core Slik Toxik fans disagreed with "Irrelevant's" thrashier, grungier riffing and sullen lyrics. The feeling among long-time fans was that Slik Toxik had given up on their trademark tongue-in-cheek lyrical stance in order to follow alt-rock trends.