OK, more one-hit wonders (easy!): Noel Paul Stookey wrote and performed this modern classic for the nuptials of Peter Yarrow and Mary Beth McCarthy in 1969 as his wedding gift to them. "Into every songwriter's life comes a song, the source of which cannot be explained by personal experience..." He created the Public Domain Foundation to help struggling musicians and assigned the royalties from the song to it - over $2M so far - he has never made a cent from the song! A celebration of love and the presence of God in a union. #24 on Billboard in '71.
Yesterday's answer: "The Three Bells" aka "(Little) Jimmy Brown" by The Browns. They disbanded in '67 as their popularity faded. Great harmonies. See enclosed recent feature from NPR. http://www.npr.org/templates/story/story.php?storyId=130107719 http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DHTkbj56bnYs&h=a0968