O.R.G. Project
Artist with "Single" album

O.R.G.A.N.
Artist with the following albums: "To The World CDM", "To The World"

O.R.N.
Artist with "Snow" album

O.R.O.
Artist with the following albums: "Liberi", "Re tour"

O.R.O. (oNDE rADIO oVEST)
Artist with the following albums: "Con Tutto Il Cuore", "Vivo per..."

O.R.S.
Artist with "Body to Body Boogie" album

O.R.S. (Orlando Riva Sound)
Artist with "Body To Body Boogie" album

O.R.S. Massive
Artist with "" album

O.R.S./ Orlando Riva Sound
Artist with "Fire on the Water" album

O.Ramlal
Artist with "Indian Pop Hangama - Vol.2 - El Negrito" album