Motocross races. A number of other types of motorcycle sport have been derived from Motocross. Freestyle Motocross (FMX), a relatively new variation of supercross, started out by the South African champion, Marco Urzi, does not involve racing and instead it concentrates on performing acrobatic stunts while jumping motocross bikes. The winner is chosen by a group of judges. The riders are scored on style, level of trick difficulty, best use of the course, and, frequently, crowd reactions. FMX was introduced to the X Games and mainstream audiences in 1999. Supermoto uses motocross bikes converted for racing on tracks consisting of three
Riders to the Sea almost verbatim setting of the play as an opera, using the same title (1927). Bruce Montgomery (1927–2008) wrote a light opera, "Spindrift" (1963), that was based on "Riders to the Sea". German composer Eduard Pütz (1911–2000) also set the play as an opera, using the same title (1972). American composer Marga Richter (born 1926) also set the play as a one-act opera, using the same title (1996). French composer Henri Rabaud (1873-1949) "L’appel de la mer", a one-act opera, (1924), libretto by Rabaud based on "Riders to the Sea", debut in Paris, Salle Favart, April 10, 1924 Mary Anthony's piece