TNS3803653: Thea Gilmore (photo) / Bridgeman Images

TNS3803656: Thea Gilmore (photo) / Bridgeman Images

TNS3803668: Rab Noakes (photo) / Bridgeman Images

TNS3803677: Athene Roberts 3 Daft Monkeys (photo) / Bridgeman Images

TNS3803680: Barbara Dickson (photo) / Bridgeman Images

TNS3803683: Rab Noakes (photo) / Bridgeman Images

TNS3803689: Ian Bruce and Ian Walker (photo) / Bridgeman Images

TNS3803716: Andrew Roberts signing books at the Cheltenham Literature Festival, October 2014 (photo) / Bridgeman Images

TNS3803728: Sheila Hancock signs copies of her latest book at the Cheltenham Literature Festival, 2014 (photo) / Bridgeman Images

TNS3803752: Jeremy 'Paddy' Ashdown at the Cheltenham Literature Festival, October 2014. (photo) / Bridgeman Images

TNS3803761: Shami Chakrabarti at the Cheltenham Literature Festival, October 2014. (photo) / Bridgeman Images

TNS3803767: British-Iranian stand-up comedian, actor, television producer and writer Omid Djalili at the Cheltenham Literature Festival, October 9, 2014 (photo) / Bridgeman Images

TNS3803776: Victoria Hislop at the Cheltenham Literature Festival, 2014. (photo) / Bridgeman Images

TNS3803484: Kacey Musgraves (photo) / Bridgeman Images

TNS3803487: Georgie Fame (photo) / Bridgeman Images

TNS3803496: Southside Johnny (photo) / Bridgeman Images

TNS3803508: Scouting For Girls (photo) / Bridgeman Images

TNS3803511: Edwina Hayes (photo) / Bridgeman Images

TNS3803529: Al Stewart (photo) / Bridgeman Images

TNS3803559: Public Service Broadcasting (photo) / Bridgeman Images

TNS3803586: Boppin' B (photo) / Bridgeman Images

TNS3803601: Hudson Taylor (photo) / Bridgeman Images

TNS3803610: La Pegatina (photo) / Bridgeman Images

TNS3803637: James Blunt (photo) / Bridgeman Images

TNS3803643: Dick Gaughan (photo) / Bridgeman Images

TNS3803658: The Poozies, Mary Macmaster (photo) / Bridgeman Images

TNS3803664: The Men They Couldn't Hang (photo) / Bridgeman Images

TNS3803709: The shortlisted authors for the 2014 Man Booker Prize for Fiction (photo) / Bridgeman Images

TNS3803736: Simon Schama at the Cheltenham Literature Festival, 2014. (photo) / Bridgeman Images

TNS3803751: Jeremy 'Paddy' Ashdown at the Cheltenham Literature Festival, October 2014. (photo) / Bridgeman Images

TNS3803769: British-Iranian stand-up comedian, actor, television producer and writer Omid Djalili at the Cheltenham Literature Festival, October 9, 2014 (photo) / Bridgeman Images

TNS3803790: Ben Okri at the Cheltenham Literary Festival, October 9, 2014 (photo) / Bridgeman Images

TNS3804080: The Bays - drummer (photo) / Bridgeman Images

TNS3803799: Ian Rankin at the Cheltenham Literature Festival, 2014 (photo) / Bridgeman Images

TNS3803817: Kizzy Crawford performing at the Cheltenham Jazz Festival, 2015 (photo) / Bridgeman Images

TNS3803838: Legendary US saxophonist Lee Konitz performs at the Cheltenham Jazz Festival, 2015 (photo) / Bridgeman Images