"The Unicorn" song as performed by the Irish Rovers in 1968, peaked at #5 on the Irish singles chart, and at #2 on the US adult contemporary chart.
Shel Silverstein also wrote one of Johnny Cash's best-known hits "A Boy Named Sue"
"The Unicorn" was the last song on Side B of Shel's "Inside Folk Songs" album.
in a cover sequel to "The Unicorn", Andrew McKee later wrote explaining that unicorns were magical creatures, and as the Great Flood was in progress, they grew wings and acquired the power to fly above the waters.
Irish Rovers was not an Irish band, they were a Canadian band.