Solti also had other jobs. He was music director of the Orchestre de Paris from 1972 until 1975. From 1979 until 1983 he was principal conductor of the London Philharmonic Orchestra. During this time with the London Philharmonic he performed and recorded many works by Elgar including the two symphonies, the Violin Concerto with Kyung Wha Chung and the Cello Concerto with Julian Lloyd Webber. In 1983 he conducted Wagner's Ring Cycle at Bayreuth for the only time. For the 50th anniversary of the United Nations, Solti formed the World Orchestra for Peace, which consisted of musicians from 47 orchestras around the world.