Julie Ruin isn’t a new concept for Kathleen Hanna. The moniker has been around since the mid- nineties as the title of her post-Bikini Kill solo album, one that bridged the gap and foreshadowed what was to come with Le Tigre. That trio’s explorations with sampled music and drum machines expanded on Julie Ruin’s bedroom-recorded experiments, and the pseudonym was put to bed for over a decade, during which time Hanna’s productivity was curtailed by a long-term debilitating illness. Her struggle with Lyme disease, undiagnosed for years, is documented with stark candour in the 2013 film The Punk Singer, and it’s a topic that crops up…