India, June 28 -- On Wednesday night, by Helsinki's harbour, the Nordic summer was playing its usual tricks.

What began as a perfect evening turned fickle, the wind whipping off the Baltic Sea. It was the kind of weather that sends fair-weather concertgoers scrambling for cover. But as Black Sabbath's War Pigs thundered across the open-air venue's sound system, setting the mood, those who stayed knew they were about to witness something special.

When BadBadNotGood finally took the stage at Allas Live, the cold suddenly felt irrelevant. The Canadian trio of Alexander Sowinski (on drums), Chester Hansen (on bass) and Leland Whitty (switching between saxophone and guitar) was joined by their expanded tour line-up: Felix Fox-Pappas on keybo...