Pyotr Ilyich Tchaikovsky

Pyotr Ilyich Tchaikovsky was a Russian composer whose works include symphonies, ballets, operas, chamber music, and sacred choral music. His Liturgy of Saint John Chrysostom, Op. 41, was composed in 1878 and includes a movement commonly known in English as Come, Let Us Worship. Hymnary.org indexes him as composer for the tune associated with O come, let us worship and bow before the Lord.