‘I ’ll eat your liver,” Violet Grohl threatens on 595, a scuzzy, slasher-inspired alt-rock single that feels made for 90s MTV. Arch, deadpan verses give way to a big, bluesy, intentionally sleazy chorus, finished with blown-out guitar and squealing feedback: part Veruca Salt, part Queens of the Stone Age. Despite just turning 20, Grohl has the rock’n’roll credentials for her throwback sound. The eldest daughter of Foo Fighters’ Dave, Violet fronted a rare Nirvana reunion aged just 13 – her coolly authoritative vocals making it more symbolic than a mere family favour. The artwork for Be Sweet to Me While it’s true that her dad linked her with taste-making producer Justin Raisen (Kim Gordon, Yeah Yeah Yeahs, Sky Ferreira) for this debut album, and its grungy tracks haven’t been road-tested in sticky dive bars that music like this usually demands, Grohl is admirably direct about her nepo status. “Decide for yourself if I’m worthy,” she told the Forty-Five .…