ViperPiper's Bagpipe Tunes

How big is the cylinder? I'm thinking of buying one. I used the Ross canister but found it was too big. However I might give this on a try as it has drying, quick stopping valves and pressure regulating features (Or so I'm lead to believe). £55 from the college of piping - is that a good price?

The hunt for a 2 part 2/4 of this particular mode brought be zero results, so for the first time I thought I would try my hand at writing something. A few that have heard it say it sounds familiar. If I have subconsciously copied another tune then please let me know. Also, any comments would be grea...