I wasn't a huge fan of Disco ,,but great bass line and a lot of soul in this tune ..
Jimmy Ellis, 'Disco Inferno' singer, dies at 74 - CNN.com (http://edition.cnn.com/2012/03/09/showbiz/obit-jimmy-ellis/index.html)

LIVE ,,, This band is tight ,, dig the horns and the funky guitar ,,

Burn Baby Burn ,,,,,,,
The Trammps - Disco Inferno (Live) - YouTube (http://www.youtube.com/watch?v=Li_rLudMcck)

Wasn't a fan of disco but yes a lot of disco had cool bass lines !
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RIP......Cool Video

Ok ,,, how about this version ...

Disco Inferno - Tina Turner - YouTube (http://www.youtube.com/watch?feature=player_embedded&v=7HDn7ytH6Ig)