Appin House (2)
Although in four parts like "Appin House (1)" and having some rhythmic and sparse melodic similarities, it does appear to be a different tune. The melody, which first appears in McGlashan's Collection, was commonly played in scordatura tuning on the violin in the 19th century.
Printed sources: Gow (Complete Repository, Part 4), 1817; p. 33. McGlashan (Collection of Strathspey Reels), c. 1780/81; p. 21. Stewart-Robertson (The Athole Collection), 1884; p. 2.