The instrumental was by The Revels of "Church Key" and "Six Pak" fame. The first of these church key style openers was patented in Canada in 1900. He also played piano on "Church Key" by The Revels. The catalogue number for "Vesuvius" bw "Church Key" on CT was 1-IM, 1-IMX. An arrangement was developed and later the title "Church Key" was given to the piece. The first release on the label was "Church Key" by The Revels. The church key opener is still being produced, sometimes as part of another opener. The record was "Church Key" by The Revels, released on Impact 1. In 1960, "Church Key" bw "Vesuvius" was released this time on Impact Impact 1-IM, 1-IMX. He carried a large church key in his pocket which he used as a 'gun'. Knowles' compositions include "Church Key", "Intoxicate", and "Six Pak". In 1960, the group released "Vesuvius" bw "Church Key" on Tony Hilder's CT label. They had hits with "Six Pak", and "Church Key" which was their most famous single.