It kicks off with the distinct, high-pitched samba cuica drums. As the strings kick in and it starts to gather momentum, the musicians begin standing up and sitting down, about a dozen at a time. Even Lang Lang gets in on the action, like a prairie dog popping up from his piano bench, drawing big laughs from the British audience.
By the time a couple from the audience is invited on stage to dance, it only begs for a creative closer, as all 100 members trail away in a conga line to leave the stage, Lang Lang's spiky mane bobbing up and down every step of the way.
Bay Area freelancer John Beck writes about entertainment for The Press Democrat. You can reach him at 280-8014, firstname.lastname@example.org and follow on Twitter @becksay.