Mick Jagger has joked on-stage about Paul McCartney’s recent comments on The Rolling Stones, during which he called them a “blues cover band”.During an interview with the New Yorker earlier this month, McCartney said: “[The Beatles’] net was cast a bit wider than [the Stones’]. I’m not sure I should say it, but they’re a blues cover band, that’s sort of what the Stones are.”At a concert in Los Angeles last Thursday (October 14), Jagger made a brief swipe at McCartney’s comments.“There’s so many