RX Not To Be Confused With RX Or Is A Japanese Jazz/fusion Band Consisting Of Three Ex-Members Of The 80's Japanese Heavy Metal Band SEIKIMA-II 聖飢魔II Yuichi "Kaijin" Matsuzaki Shunsuke "Xenon" Ishikawa And Raiden Yuzawa. They Worked With Quite A Few English Vocalists Including John Wetton. Their Name Is Actually A Play On Words Deriving From Raiden And Xenon's Names' First Letters Respectively.