Jill Tracy is the Bangladesh Dupree of Steampunk musicians. She wrote Evil Night Together well prior to Captain Dupree's having met Captain Vole. This song was played during the episode entitled Ravenous of the television series NCIS.
Tracy is far more mainstream than most steampunk musicians, but she fits into the genre about as well as H. G. Wells fits into the Victorian Era. She usually wears clothing that was popular during the Edwardian Era and the early twenties of the twentieth century. She has a page devoted to her in the Wikipedia as well as her own homepage.