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 in the LSO's playing: "On this evening's hearing the London Symphony Orchestra is likely, after all, to give its two rivals a gallant run. Under Sir Hamilton it will certainly take on a style of sincere expression, distinguished from the virtuoso brilliance cultivated by the B.B.C. Orchestra and the London Philharmonic Orchestra under Beecham." Among the milestones on the orchestra's path to recovery were the premieres of Walton's "Belshazzar's Feast" (1930) and First Symphony (1934), showing the orchestra "capable of rising to the challenge of the most demanding contemporary scores" (Morrison). The foundation of the Glyndebourne Festival in 1934 was