There are multiple artists called Bismuth.

1) Bismuth is a two-piece mountain of doom and amp worship from Nottingham, UK. Joe does drums and Tanya does bass and vocals. For fans of Khlyst, Monarch!, Corrupted, Khanate and Burning Witch
http://bismuthslow.bandcamp.com/

2) The Dutch duo of experimental instrument builder Yuri Landman and multi-instrumentalist Arnold van de Velde.
http://www.hypercustom.com/bismuth.html

3) A Heavy Metal band based in North East England. Their music draws on inspiration from many sources, and varies in style between serious and comedic in the extreme.

4) A three-piece band from Belgium. An offbeat offspring of the Tongeren punk scene, the band's musical roots and interests are a key element of the band's style. A mixture of post-punk, indie rock and alternative rock with sincere and spacious lyrics.
http://www.myspace.com/bismuthsite

5) And according to this picture a band from Singapore.
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