There are at least five groups with this name: 1) Hardcore punk the way it should be.
2) British lovers rock group in 70's.
3) Thrashy punk rock band from buffalo.
4) Japanese female dance hall reggae group.
5) A co-ed Hindi/English fusion acapella group from Northwestern University (http://www.last.fm/music/Northwestern+Brown+Sugar)


Read more about Brown Sugar on Last.fm.