Original: He made important early contributions to the representation of orchestral music on the gramophone , beginning in 1920 with Scriabin 's The Poem of Ecstasy and afterwards conducting many excerpts from Wagner 's Der Ring des Nibelungen and ( in 1923 and 1926 ) two complete recordings of Symphony No. 9 of Beethoven .
Simplified: These include Scriabins Poème de lExtase and many bits from Wagners Der Ring des Nibelungen and ( in 1925 ) the complete Symphony No. 9 of Beethoven .