Among William Jackson’s musical compositions was a setting of Pope’s elegy, Vital Spark of Heavenly Flame, which was sometimes used as an anthem, and has been known to be given out by a clerk in a village church thus: “Let us sing to the praise and glory of God—Poppy’s Legacy.”
The authorities for Jackson’s life are:—
Grove’s Dictionary of Music.
A Dictionary of Musicians. London, 1827.
The autobiography already referred to in The Leisure Hour, 1882.
“Jackson of Exeter,” in the New Monthly Magazine for 1832.
G. Townsend, “William Jackson,” in Transactions of the Devonshire Association, 1882.
The Dictionary of National Biography, etc.