Mick Jagger, the iconic frontman of The Rolling Stones, discusses his inspiration for the band's logo, his collaboration with Paul McCartney, and how he stays youthful at 80 in an interview with TOI. Jagger reveals that the tongue logo was inspired by an image of the Hindu goddess Kali, and discusses his love for high-energy music and the challenge of appealing to both older and younger fans. He also talks about his impromptu duet with Lady Gaga and his admiration for Satyajit Ray's films.