But there’s venerable, and then there’s venerable. The italicized version of the term applies to Joni Mitchell, whose “Cactus Tree” made it into Rogers’ set Tuesday at Red Rocks.

Saturday night, Joni Mitchell played her first ticketed headline show in over two decades at The Gorge Amphitheatre. Billed as the Joni Jam, Mitchell was joined by a slew of special guests ...