Take Three was an Adventist singing group with a folksy kind of sound. I heard a Christian radio guy compare them to Peter, Paul & Mary and they do have that kind of soft harmony, guitar and vocals sound. This is obviously taken from an old recording. You can still find their music if you do a little searching. Bonnie Casey, the group's lead singer, still has the original recordings and sell CD versions of the original vinyl LPs. You can buy the CDs here at this link.
Like The Wedgwood Trio, Bonnie and the gang took some heat from the traditional-hymns-only wing of the church and sadly disbanded and went their own way. The music is still lovely. Where I'm Bound is one of my favorites. Someone made this video with the music behind some lovely nature pictures. I wish the group had gone on to produce more music. They were certainly headed in a direction that I liked.
It's a pity they didn't produce more music than they did.