Katatonia have announced that they will be releasing a new b-sides and rarities compilation titled “Mnemosynean“ on October 1. That effort can be pre-ordered HERE. “Mnemosynean” Track Listing: Disc 1: 01. “Vakaren” 02. “Sistere” 03. “Wide Awake In Quietus” 04. “Night Comes Down” 05. “Second” 06. “The Act Of Darkening” 07. “Ashen” 08. “Sold Heart”…