"The Real Old Mountain Dew" is an Irish folk song dating from 1882.
It was written by Edward Harrigan with music by Dave Braham, from the Irish drama The Blackbird. It was printed in "Irish street Ballads", 1916. It was later recorded under the title The Rare Old Mountain Dew. It is about the intoxicating properties of Irishmoonshine, or Poitín. The earliest recording is by John Griffin, 1927 on the Columbia label, New York, under its original title.
The song is referenced in The Pogues song "Fairytale of New York":<blockquote>And then he sang a song<br />The Rare Auld Mountain Dew<br />I turned my face away<br />And dreamed about you.<br /></blockquote>
"The Joys and Curse of Drink of dean" (various artists) 1998