These are photos from concerts where English Concert Chorus played, so they may be of other bands that played the concert as well.
Programme cover
Royal Philharmonic Opera Orchestra / Band of the Scots Guards / Band of the Irish Guards / Musketeers and Cannon of the Sealed Knot / English Concert Chorus / London Choral Society Nov 17, 1991 London, England, United Kingdom Uploaded by Guidorec
Page from programme