There are four artists named Ruby.1) Ruby (the UK band)2) Ruby (harsh breakcore artist)See:Ruben De Haan3) Ruby (Egyptian singer)See:Roubi4) Ruby (Korean girl group)1) Ruby was the project of UK vocalist Lesley Rankine and US composer/producer Mark Walk. Their repertory of styles expanded across electronic, trip hop, noise, and industrial. The band Ruby was named as such because Rankine and Walk both have a grandmother named Ruby.