[1] They chose their name because of a sermon by Pastor Jack W. Hayford describing David as a man after God's heart, as seeking God's heart was an important motivation of the members of the band.
The original members of the band were bass guitarist Herb Melton, keyboardist Richard Souther, guitarists Rick Azim and Paul Offenbacher, and drummer Gene Gunnels, who had played with the psychedelic bubblegum band Strawberry Alarm Clock on their hit record "Incense and Peppermints" in 1967.
Gunnels left the band in 1980 and Jack Kelly joined as a member until the 2nd Chapter of Acts stopped touring in 1988.
They also performed without attribution on the 1983 Sparrow release by 2nd Chapter of Acts with Michael and Stormie Omartian, Together Live.
He is perhaps best known for his collaboration with Twila Paris on her Dove Award-winning album Sanctuary.