Bruce was quite the Scottish nationalist, evidently, Casey...there were at least two pipers (with other duties, of course) that went on the expedition, the expedition's flag was a Saltire, which flew along with the Union flag and the Lion Rampant.

See:
http://gdl.cdlr.strath.ac.uk/scotia/vserm/index.html

For many great photos!

Cheers!

T.