There are multiple artists/bands called Asphyxia:
1) Asphyxia is an EBM / Dark-Electro group from France.
http://www.asphyxia-official.com/
2) Asphyxia is a Technical Death Metal band from Australia.
www.myspace.com/asphyxiametal
3) Asphyxia is a Death Metal band from Melton Mowbray, England. www.myspace.com/bandasphyxia Members(Sam Cleal(vocals),Jawsh K(bass), Iain Anderson(lead), Tommi-Lee Hine(rhythum), & Ben Jackson(drums))
4) Asphyxia is a Thrash/Speed Metal band from Belgium.
5) Asphyxia is a Thrash Metal band from Dublin, Ireland.


Read more about Asphyxia on Last.fm.