Sat 12 Jan 2013– Band on the Wall, Manchester– Full Day: £12 after. Afternoon event only: £6. Evening event only: £7.50. BUY HERE. Delia Derbyshire Day will be a day to celebrate and highlight the fascinating work of Delia Derbyshire (1937-2001), the pioneering electronic music composer most famous for realising the original Dr Who theme and her work for the BBC Radiophonic Workshop.