Stock Photo - May 21, 1968 - Radio I Disc Jockey Derby Dolly. Ten Pretty girls were at 'Pop Inn' the Tuesday 'Live' lunchtime show at BBC's the Paris Studio, Lower Regent Street today, to compete for the title of Radio One's 'Disc Jockey Derby Dolly'. They were the semi-finalists chosen from contestants all over the country who want to be the first Radio I pop hostess in 'Disk Jockey Derby'. which returns in a new series on June 4, Four finalists were interviewed on 'Pop Inn' during the programme by Keith Fordyce and the winning 'dolly' was announced at the end of the show. She was 19-year-old model, Tricia Madden, of Stourport. Photo shows 19-year old Tricia Madden - pictured after winning the title of Radio One's 'Disc Jockey Derby Dolly' today, with three top male disc jockeys, who are, from top David Symonds, Tony Blackburn and Don Moss. (Credit Image: © Keystone Press Agency/Keystone USA via ZUMAPRESS.com)