There have been at least three bands with the name Purity:

1) A Finnish band from a city called Jyväskylä, which is located in Central-Finland. Formed 1991 and they have had several line-up changes during the years.

'The Original-Purity' (which they may called) has made three albums during 1996 to present, Built (1996 on Black Mark) / Dear Evilyn (2004 on Megamania) / A Path To The Sun (2010 on Listen to Our Music). They have also released plenty of EP's and singles.

Their musical style could be described as melodical rock/metal.

The band consists of 5 members, Teppo Haapasalo (vocalist), Heikki Koistinen (bassist),Tuomas Kokko (guitarist),Sami Hämäläinen (guitarist) and Henri Lindström (drummer).

Official homepage: www.purity.org
Myspace: www.myspace.com/puritysuomi

2) A British all-female electronic drum n bass band, possibly best known as the support act on Depeche Mode's 1998 European tour. Originally signed to Tommyboy records New York, wrote and produced the theme to the World Wrestling - 'Adrenalin v1'

http://www.purity.co.uk.

Purity now have a new album out 'Sliding into Chaos' - http://www.last.fm/music/Purity+UK

Official youtube presence: http://www.youtube.com/user/purityuk

3) A Romanian progressive heavy metal band which released a 2008 album "Tales of Different Worlds".