Teir's musical career began in 1999, playing keyboards in the progressive rock band Prime Mover,[1] with whom he released three albums and a demo.

[2] In 2008 he joined the soul/funk band Vinyl Jam on their single Test of Wind (2008) where he played organ, Moog synthesizer, and Hohner Clavinet.

[10] Kebu is also popular on YouTube, 272,000 users subscribe to his channel, received 100 million views worldwide (from 2010 to August 2023).

[11] His most popular video is his cover of Jan Hammer's song Crockett's Theme (2012), which has received over 29 million views (August 2023).

In 2020, Teir participated in the recording of the new album of the Finnish power metal band Amberian Dawn, where he provided additional keyboards.