“I know what it’s like to go head-to-head with South Africa’s director of rugby, and my recommendation to Steve Borthwick could be to make sure he will get on the front foot – and combat any dark arts. Alexander’s deafeningly loud response to the collapse of the music business, The Problem with Music (★★★☆☆), is inspired by Steve Albini’s essay of the same name. Alexander takes a choice of weaponry to records and CDs from her own archive for three interrupted hours, stomping over the ever-growing pile of vinyl shards and videotape. As she raises a pickaxe to a different…