Tartan Day took me by surprise this year, and I didn't have enough time to prepare anything new. Please excuse me if I recycle some music from previous years.
Here are MIDI arrangments I made of a variety of Scottish tunes:
For those of you with coarser tastes, here are some mp3s of Caledonian music I arranged for software synthesizers and sequencer. Don't look for subtlety here. File sizes range from about one to four megabytes.
You don't need expensive electronics and fancy software to make a lot of noise. A set of pipes and a few drums suffice if you have the right attitude, and Clann An Drumma certainly has the attitude: