The Maid In The Meadow
Learned this from John Williams in Chicago. Also called "The Moving Bogs of Palsborough." He usually opens his sessions with Lark In The Morning followed by Maid in the Meadow.
You can check if tunes are already here (under a different name) by entering ABC snippets into the search field. With thousands of tunes in the database, this is very likely in the case of such well known ones. ;~)