He's a pensioner, he's white and he's never been to Jamaica. But Bristol's DJ Derek is regarded as one of the most influential people in British Reggae music.
Over the decades the former accountant has built up a music collection of over 32,000 songs. Now, at the age of 71, he's hanging up his headphones.
Acts like Massive Attack and Dizzee Rascal describe him as a large influence! He has been flown around the world to DJ sets - even though he prefers to use his senior citizens railcard to get about.
Our reporter Robert Murphy met him.