Band list starting with R:

R.E.M. Rabbit In The Moon Radioactive Goldfish Raekwon Railgun Ram Trilogy Rammstein Rantoul Rapoon Rapture Rasmus Rat Kings, The Re/Act Re_Agent React 2 Rhythm Real Roxanne, The Rebel Hell Rechenzentrum Recoil Rectal Surgery Red Flag Red Red Groove Red Sparrow Reel Reload Renegade Soundwave Retrosic, The Reversal Penetrations Revolt Revolting Cocks Ride Rob Zombie Ron D Core Rotterdam Remix Project Rufige Kru Run Level Zero Run-D.M.C. Rush Rush, Ed Ruthless Rap Assassins