The bassist Melissa Auf der Maur played the first six shows of her career with a nascent trio, mostly in tiny clubs around her Montreal hometown. Her seventh performance, though, was in front of 65,000 people at the Reading Festival in England after she joined Hole, the seminal grunge act led by Courtney Love. It was August 1994, scarcely five months after Love’s husband, Kurt Cobain, died by suicide.