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In page Margaret Balfour:

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She was also recorded by His Master's Voice singing Bach's Mass in B Minor with Elisabeth Schumann and the London Symphony Orchestra conducted by Albert Coates in sessions in 1929 at Kingsway Hall, London. She sang in the St Matthew Passion in November 1929 (with Keith Falkner and Elsie Suddaby) at Westminster with the Bach Cantata Club under Charles Kennedy Scott. She sang in Beethoven's Symphony No. 9 with the BBC Choral Society and the BBC Symphony Orchestra conducted by Arturo Toscanini at the Queen's Hall, London, on 22 May 1939.[2][3] She was a soloist at the Handel Festival conducted by Sir Henry Wood at Alexandra Palace in 1939.[citation needed]