Jacobi, John Christian, a native of Germany, was born in 1670. He was keeper of the Royal German Chapel, St. James's Palace, London, from 1708 till his death, December 14, 1750. He published in 1720 a volume titled A Collection of Hymns, Translated front the High Dutch. It contained fifteen hymns. Two years later, it was republished in enlarged form under the title Psalmodia Germanica; or, A Specimen of Divine Hymns. Translated from the High Dutch. This edition contained sixty-two hymns. The hymn here given is a translation of one of 
Paul Gerhardt's hymns.
Holy Ghost, dispel our sadness 192