A decade after she was sent to a Russian penal colony for protesting Vladimir Putin with punk rock in a church, the musician and activist talks to Kevin E G Perry about the revolutionary potential of pop, how she fights depression, and her debut mixtape ‘Matriarchy Now’

Concluding our series of first-hand accounts of life in tents, Patrick Smith recalls the way that festivals such as End of the Road and Primavera have helped him through bad times, from heartbreak to grief to crushing depression