Below are some of the tunes that are most popular though this list is in no way exhaustive.
1. Highland Cathedral
2. Flower of Scotland
3. Scotland the Brave and Bonnie Galloway
4. Bonnie Dundee and The Atholl Highlanders
5. Banjo Breakdown, Paddy Leather Breeches and Glasgow City Pipers
6. Mist covered mountains
7. Highland Laddie and Mhairi’s Wedding
8. Battle of the Somme
9. Glendaruel Highlanders
10. A man’s a man for all that
Plus over 100 others if you specify.