No one is more likely to be the odd man out at a jam session involving all the many musicians in existence named Robert Henderson, Bob Henderson, or Bobby Henderson than Calgary's Robert Henderson. He is a bagpiper, so right away gets credit for keeping the tip of his chanter from getting frozen over in the local climate, considering winter temperatures in Alberta sometimes lock in at well below zero for weeks at a time. He still might have gotten the cold shoulder from a jazz pianist such as Bobby Henderson.
Not to be confused with the other Henderson who played French horn on Judy Collins' records, to name another, the R. Henderson also arranges traditional Scottish marching band material for a group whose full name is the the Regimental Pipes, Drums and Band of the Calgary Highlanders. Often part of local celebrations that blithely mix the Scottish immigrant and rodeo cowboy cultures, Henderson and collaborators such as Andy Cairns and fellow arranger Bruce MacKay have to settle for whatever highlands their prairie outpost has to offer -- if nearby Nose Hill won't do, then they can march on to the Canadian Rockies.