Rowland Constantine O'Malley Armstrong (born 8 May 1966), known professionally as both Rollo and R Plus, is an English DJ and music producer. He is a member of the remix/production duo Rollo & Sister Bliss and is a founding, non-touring member of the electronic music group Faithless. He has produced and remixed many tracks for his sister Dido, Rob Dougan, Pet Shop Boys, Simply Red, R. Kelly, U2, Moby, Grace, Tricky and Suede. He is also known for producing the... [more on Wikipedia]