The answer lies in the Autobiography of Herb Armstrong.
In those days "The Radio Church of God" opened with an opening theme, the hymn composed by Elton Menno Roth (who later became my personal friend) "In My Heart There Rings a Melody," sung in lively manner by our "Radio Church Quartette." (1967 edition, p.508)Yes brethren, this is the foundation theme song to the Church of God. More than that, it was composed by Herb's "personal friend"!
So can we expect to hear it at this year's Feast of Tabernacles I wonder, at least among the most slavishly devoted of Herb's imitators?
A solo by Stephen Flurry, Bob Thiel tinkling the ivories and Dave Pack on the tambourine?
Can't you just picture Ronnie Weinland on the harmonica with Rod Meredith clapping and stomping along in time?
For those of us who don't read music, there's a recording for you to sample here.