Orlando Riva Sound (commonly abbreviated as O.R.S.)
was a German Euro disco group founded in 1977 by Anthony Monn and Rainer Pietsch.
[1] Their first success was in 1977 with the song "Moon Boots", a mostly instrumental piece.
Soon after the group's founding, they added Sophia Reaney as a singer/dancer.
The song also spawned the album of the same name with the following songs: "Disco Mussorgsky," "Sweet Release" and "Dream Machine", plus the 12" version of "Moon Boots".