His discography includes seven releases and numerous appearances with other bands. Keränen's debut full-length album Bats In The Attic on Pica Disk became a critic's pick of the Wire Magazine in 2010. A follow-up Moon Over Torrelorca limited edition CD on Swedish label Ljud & Bild Produktion was recorded on Serge Modular and Buchla synthesizers at Elektronmusikstudion in Stockholm. Tommi also produced a few split tapes and 7-inch releases. Some of his collaborators include Phill Niblock, Jaakko Vanhala, Umpio, Vomir (Romain Perrot), Pink Twins, Lauri Hyvärinen, Lionel Marchetti, Seijiro Murayama, Kazuma Kubota, Fumio Kosakai and Toshiji Mikawa (Incapacitants), and Kohei Gomi (Pain Jerk). Keränen was a mastering and live recording engineer on numerous releases by Avanto Recordings, Anoema Recordings, Tyyfus, Harbinger Sound, Marhaug Forlag and other independent labels.
Keränen co-designed and implemented a generative, neural network-controlled sound installation with Hecker and Cerith Wyn Evans, permanently displayed in the Hijmans van der Bergh building of Utrecht University. He also designed and developed custom software for Lasse Marhaug, Florian Hecker, Sunn O))), Peter Rehberg, Kevin Drumm, and The Hafler Trio's ''''''' performance in Århus, Denmark.