English singer, songwriter, and multi-instrumentalist Daniel O'Sullivan is a prolific, genre-bending performer whose solo work touches upon lush ambient, avant-pop, neoclassical composition, and hypnotic prog rock. Achieving international acclaim writing, recording and performing with a myriad of groups including Grumbling Fur (with Alexander Tucker), Norwegian alt-metal experimentalists Ulver, Mothlite, sunn O))), Guapo, Miasma & The Carousel Of Headless Horses, Miracle (with Steve Moore from Zombi), Æthenor and the recent reincarnation of This Heat in the form of This Is Not This Heat. A new album of chamber music entitled 'Rosarium' is expected to be released in 2023.