Below are links to some MP3 files (30 second samples - about 450 MB each):
From "Her Caithness Home" - The Wick Band
A Tune for Jimmy
North Coast Shuffle
A Tune for a Queen
The Barrowburn Reel
From "Star of the North" - Daniel McPhee
Boys of Blue Hill
High Road to Linton
John Keith Laing
Wade's Welcome to Inverness
Below are links to some PDF files of tunes: