The song "Wild mountain thyme" was sang in Scotland by Robert Tannahill of Paisley it is called "The Braes of Balquidder". The song that was sang by Frank McPeake was called "Will you go,lassie go?" learned from his uncle in North Ireland. He first sang it in 1952.It is also known as " Purple Heather". A Hymn version also with a pentatonic tune appears in a collection of Wesleyan "Sacred Harp"songs; it is called "The Sinner's Invitation'.