Abbey Road Studios large garden behind the townhouse, which permitted a much larger building to be constructed to the rear; thus, the Georgian façade belies the true dimension of the building. Pathé filmed the opening of the studios in November 1931 when Edward Elgar conducted the London Symphony Orchestra in recording sessions of his music. In 1934, the inventor of stereo sound, Alan Blumlein, recorded Mozart's "Jupiter Symphony" which was conducted by Thomas Beecham at the studios. The neighbouring house is also owned by the studio and used to house musicians. During the mid-20th century, the studio was extensively used by leading British
London Symphony Orchestra British people heard the LSO play in "Music Night" in one week than in sixty-five years of LSO concerts." Several series of the programme were screened between 1971 and 1977. Previn's popularity with the public enabled him and the LSO to programme works that under other conductors could have been box-office disasters, such as Messiaen's "Turangalila" Symphony. In the early 1970s the LSO recorded two firsts for a British orchestra, appearing at the Salzburg Festival, conducted by Previn, Seiji Ozawa and Karl Böhm, in 1973, and playing at the Hollywood Bowl the following year. The lack of good rehearsal facilities