Album 1700 is the seventh studio album by American folk music trio Peter, Paul and Mary, released in 1967. It produced the band's most successful and final hit, a recording of the John Denver song "Leaving on a Jet Plane".
In 1967, Album 1700, the seventh studio album by American folk music trio Peter, Paul and Mary, was released. This record marked their highest commercial success and final hit with a recording of John Denver's song "Leaving on a Jet Plane".