Opa were an American jazz fusion band made up of Uruguayan members. They started in the 1970s, and released two albums in the US: Goldenwings (Milestone Records M-9069, 1976) and Magic Time (Milestone Records M-9078, 1977). Both were produced by Brazilian musician and composer Airto Moreira.
The band consisted of Hugo Fattoruso, George Fattoruso and Hugo "Ringo" Thielmann, plus guest artists Hermeto Pascoal, David Amaro, Barry Finnerty, Flora Purim, Ruben Rada, Gary Gazaway, Jose Pedro Beledo, etc. Opa had played on previous albums by Airto Moreira, like Fingers (CTI Records CTL 18), released in 1973, and Deodato/Airto in concert (CTI Records CTI 6041), released in 1974.