There seem to be multiple projects called Thalamus.

1) Thalamus is a stoner rock band formed in Borlänge, Sweden in 2006. Lineup consists of Kjell Sjöström - guitars, vocals, Jan Cederlund - guitars, Peter Johansson - bass and Sebastian Olsson - drums .

official site
myspace

2) A progressive grunge rock band primarily from Moers, Germany, consisting of the four members Roland Kozubek (drums), Andreas Klees (bass), Dennis Bosch (guitar) and David "Dave" Müller (vocals, guitar). Their debut album "The Ordered Insanity" was released in the year 2004 and the second album "27" was released on August 19th 2006.

official site (German)

3) A DJ / Live act in various styles (harddance, hardstyle, techno, trance) consisting of three members: Christiaan de Rooij, Joshua Dutrieux and Kyrah.

Official site

4) An Irish electronic music producer called John Mahon. He has been producing fine quality electronica for a number of years, using software, hardware and a variety of instruments. He is founding member of The Alphabet Set, a loose music collective based in Dublin, Ireland.

My Space page
Collective he is a member of

5) A danish triphop duo consisting of singer Tine Heidemann and producer Noah Laux. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.