A statement on Saturday from the band's legal team said it was working with the performing rights organisation, the BMI, to stop the unauthorised use of their music, reports the BBC.Representatives for the group, fronted by 76-year-old Mick Jagger, said that "further steps to exclude" Trump from using Rolling Stones material in future presidential campaigning was necessary after previous "cease and desist directives" had been ignored.The BMI has reportedly notified the Trump campaign on behalf