Alex Doig was a drummer who played with Jim MacLeod’s Dance Band in the 1970s. 

He composed tunes like "Tam O' Shanter" (but there is more that one tune with that name). 

John Drewry dedicated a dance to him that is called "Alex Doig's Jig", but which is also know as "The Dunblane Drummer". Furthermore, there is tunes carying his name ("Alex Doig's Jig").