The long queue for the men's dunnies at intermission may have said something about the ageing plumbing of the average punter. But the oldies didn't have everything their own way.
"Jackson, it's my birthday!" Meg in Row M called in a moment of silence. "I'm 21."
The 67-year-old prince of singer-songwriters suggested she was going to have a good year, and started it off with an on-stage selfie. She asked to pick the next song, too. It's not everyone who gets a 21st present of JB singing For a Dancer, just for them.
The exchange was perfectly in tune with the tone of a warmly received 2½-hour set of 20 songs in which the touring veteran was a man sufficiently at ease to embark on several attempts to film us all singing Happy Birthday to longtime collaborator Danny Kortchmar, who turns 70 this week.
His regular band of Mauricio Lewak (drums), Jeff Young (keyboards), Bob Glaub (bass), Alethea Mills (vocals) and the extraordinarily versatile Greg Leisz (everything else with six or 12 strings) was joined by guitarist Shane Fontayne, on secondment from his duo work with Graham Nash.