David Ambrose is a visiting lecturer at City, University of London, where he teaches courses on the music business, records, publishing and finance. He is the MD of Strawberry Hill Entertainment. A father of three, he lives in London with his wife Angela.

Lesley-Ann Jones is a biographer, journalist and broadcaster. She is the bestselling author of Bohemian Rhapsody: The Definitive Biography of Freddie Mercury, Hero: David Bowie, and Ride a White Swan: The Lives & Deaths of Marc Bolan. She has interviewed many of the world's best-loved artists, including Sir Paul McCartney, Madonna and Prince. She is a mother of three and lives in London. Twitter: @LAJwriter