HAYDN Mass in B-flat 'Harmoniemesse' (1966 UK green Argo label stereo vinyl LP. Performed by the Choir of St John's College, Cambridge and the Academy of St. Martin-in-the-fields conducted by George Guest with organist Brian Runnett, soprano Erna Spoorenberg, contralto Helen Watts, tenor Alexander Young and bass Joseph Rouleau. Glossy picture sleeve with extensive liver notes XRG515)