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In page Philadelphia Orchestra:

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The Orchestra's first recordings were made for the Victor Talking Machine Company in Camden, New Jersey, in 1917, when Leopold Stokowski conducted performances of two of Brahms's Hungarian Dances. The historic first electrical recordings were also made at Victor's Trinity Church Studio in Camden, in April 1925; Saint-Saëns' Danse macabre was the first to be recorded. Later, in 1926, Victor began recording the Orchestra in the Academy of Music in Philadelphia. Stokowski led the ensemble in experimental long-playing, high-fidelity, and even stereophonic sessions in the early 1930s for RCA Victor and Bell Laboratories. During 1939–40, Stokowski and the orchestra recorded the soundtrack for Walt Disney's Fantasia in multi-track stereophonic sound.[citation needed]