This is the hymn, 'Dear Lord and Father of mankind', written by John Whittier (1807-92), set to the hymn tune REPTON, composed by C. Hubert H. Parry (1848-1918) from a song in his oratorio, 'Judith'.
It was sung at the Commonwealth Day Service at Westminster Abbey on Monday 13th March 2017.
Sung by the Choir of Westminster Abbey. James O'Donnell is Director of Music and Master of the Choristers at the Abbey.
Disclaimer: I do not own the (contents of the) video, I merely put lyrics over the top.
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