What is "revivals"

Usage examples of "revivals".

Groups like the Spear Family, the Happy Goodman Family, the Statesmen, the Harmony Boys, the Weatherfords, the LeFevres, the Dixie Four, the Tennessee Valley Boys, and the Melody Masters made their living by traveling and appearing at small churches, singing conventions, revivals, all-day sings, and dinner-on-the-ground events.