You would have thought that, 21 years after Kurt Cobain took his own life, there would be precious little facts left to unearth about the Nirvana frontman. But Rolling Stone says anyone who saw Montage of Heck on HBO last night, saw plenty more. Using the musician’s own home movies, journal entries, personal recordings, notebook scrawlings and drawings (not to mention the usual assortment of vintage concert clips and TV interview footage), In Rolling Stone’s words – this left-of-center attempt to understand Cobain via his own words and works could not offer a more intimate look at the iconic figure.