A 6/8 pipe march in four parts, by Pipe Major James Wilson*. The original version has g naturals, as in the scale of the pipe chanter. When played on other instruments, sometimes these are played as g sharps, depending on the tonality of the tune. This tune has more of an ‘A major’ feel than a binary A/G tonality, and so it feels right to play the gs sharp when they occur, usually as leading notes up to A. Unless of course you’re a piper…
Goes well after The Carse of Stirling
* You can see a painting (1853) of PM James Wilson by Daniel Cunliffe at the Regimental Museum of the Argyll & Sutherland Highlanders at Stirling Castle.