These recordings are of the Choir of the City Temple, London, under its founder, Allan Brown. The 1935 Who’s Who in Music gives the following information (supplemented with a little extra research for dates of birth and death)

BROWN, Allan Harold, F.R.C.O., L.R.A.M., A.R.C.M., L.Mus.T.C.L., M.R.S.T.
(December 5th 1884, London - December 4th 1969, Chelsea).
Educated at the Guildhall School of Music and privately.
Married to Beatrice Ashton, L.R.A.M., with 1 son and 1 daughter.
Positions held: Organist & Musical Director, Kingsway Hall, London 1928, Conductor & Founder, The Kingsway Hall Choral Society 1930, Director of Kingsway Hall Saturday Popular Concerts, many of which have been broadcast, Professor & Examiner of Organ, Guildhall School of Music
Publications: Hints for R.C.O. Candidates
Special subjects: Coaching
Principal, The South Western Col of Music, London
Organist & Musical Director, The City Temple, London 1915—28
Conductor & Founder, The City Temple Choral Soc '18—28
Organ Recitalist & Accompanist, The Royal Albert Hall, Queen's Hall, Crystal Palace, Alexandra Palace, etc.
Recreations: Golf
Address: 57 Tooting Bec Gardens, Streatham, SW16. Telephone: Streatham 2252

Handel – Messiah – Hallelujah
Stainer – Crucifixion – God so loved the world
Choir of the City Temple, London, Allan Brown
Organ (probably played by Allan Brown) for Handel
Crucifixion excerpt is unaccompanied

Broadcast Twelve 5011 (10")

Matrices LO61 or 7, LO62 or 3

Recorded late 1920s