The Chorus featured occasionally in other editions of '' Blue Peter '' , notably in the programme on Monday 12 March 1984 ( edition 1888 ) . To publicise a concert at St Luke 's Church , Chelsea , for The Knightsbridge Fund in aid of the victims of the Harrods bombing , '' Blue Peter '' invited the Chorus to the studio to sing the hymn " All people that on earth do dwell " ( Old Hundredth ) conducted by Brian Wright , accompanied by the Chalk Farm Salvation Army Band , who had been playing outside Harrods
Harrods bombing
Harrods bombing
BBC Symphony Chorus