Belle and Sebastian Sydney show review
"Having as usual called up to the stage a dozen or so members of the audience... one of the women sauntered in front of Stuart Murdoch's electric piano... her face deadpan, she slowly lifted her top, showing off a purple bra and then pulled said bra down, flashing the audience. For several long seconds."
"... across the stage another woman, her face lit up like a Christmas tree, pulled up her skirt, pulled down her knickers and mooned the audience."
Can't find any pics of the flashing in question but I did find these two pictures of the group of people on stage: