Orlando Riva Sound O R S, O R S (Orlando Riva Sound), O. R. S., O.R.S., O.R.S. / Orlando Riva Sound, O.R.S. Orlando Riva Sound, O.R.S./Orlando Riva Sound, Orlando Riva Sound, Orlando Riva-Sound, ORS, ORS (Orlando Riva Sound), ORS / Orlando Riva Sound, ORS Orlando Riva Sound
German disco project, formed 1976 by Anthony Monn and Rainer Pietsch. Later, Stefan Zauner has worked in the Studio.