There are several artists using this name:

1) TAT began life in 2003 and after a few line up changes now consists of Tatiana DeMaria (Vocals, Guitars), Nick Kent (Bass, Vocals) and Jake Reed (Drums, Vocals). Over 5 years, the band have built up a large following of extremly dedicated fans thanks to DIY promoting (via websites such as Myspace and posters/flyers) and their energetic live shows.

In their career so far the band have played festivals such as Reading, Download and the Vans Warped Tour and have toured with some of the industries biggest names such as The Offspring, Bouncing Souls, Therapy?, Me First And The Gimmie Gimmies, The Loved Ones, NOFX and most recently Bad Religion.

The band have completed recording their debut album which is set for release in the summer along with a pre-album EP which is out now as well as being signed up to play the Vans Warped Tour 2008. The band have also just confirmed that they will be playing a series of dates in the US with Lagwagon and MXPX!

www.tatness.com
www.myspace.com/tat
www.myspace.com/tatfans

2) TAT (short for Thematic Apperception Test) is a young french artist who has taken part in various experimental dark projects (classical, progressive rock and dark electro). In 2006 he created his own post-classical album, called "Quinta Essentia". More information can be found at: http://tat.darkfolk.free.fr