There are at least four artists with this name:
1) Rosa Luxemburg is a coldwave from France. Their sound and atmosphere could of fit nicely into the 4AD family. There is no much information available except their additions to various French goth and coldwave compilations in the early 1990s.
2) Rosa Luxemburg was an Japanese rock band, formed in Kyoto in 1983.
3) Rosa Luxemburg is a French progressive rock band. Their first album was released in 2009 and is available on their official website. Homepage: http://www.rosaluxemburg.com Myspace: http://myspace.com/luxemburgrosa
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