Here's a religious song that I remember learning at Vacation Bible school in Atlantic City, New Jersey in the 1950s:

B-I-B-L-E
That's the book for me
The Bible teaches right from wrong
So B-I-B-L-E

-snip-

I remember that after we sang this song one time, the Vacation Bible school teacher said "Once again now." and we'd sing the same verse again. If I don't add that phrase and sing that verse two times, that song doesn't seem right to me.