21 Eyes of Ruby are an alternative progressive rock band from The Netherlands, formed in 2006. From their official biography: âTo Conquer The World in 21 Stepsâ 21 Eyes of Ruby (21EoR) are restless, creative, determined and have a mind of their own. Antoine âTuWannâ PĂŒtz (vocals/guitars), Martijn Soeterbroek (drums) and Stef van de Kerkhof (bass) play alternative, progressive rocksongs in the mindset of Porcupine tree, Tool, The Mars Volta & Smashing Pumpkins. Read more on Last.fm