I don't know about "advancing the cause", but in the morning I'm to pipe my annual concert at the State Veteran's Nursing Home; great pipes in the mess hall, then smallpipes for the shut-ins in the infirmary. One of the toughest gigs I play, when I see those old heroes start to cry.
Immediately thereafter, our local brewery is hosting their annual Christmas party; besides Christmas tunes, I'll pipe their march; "The Dunedin Brewery March".
Monday evening is the Legion Christmas party, where besides posting and retiring the colors, I'll pipe a concert with veteran pipers of the 48th Highlanders, Toronto Scottish, and Royal Highland Regiment, both dear friends and the best pipers I've ever had the privilege to march with. Hopefully, two of our former post commanders will be able to attend; one a Hurricane and Spitfire pilot, the other a highly decorated Chindit and SAS from the 42nd. Afterwards, we'll go next door and give the American Legion a tune or two.