wikipedia.org: "Delia Ann Derbyshire (5 May 1937 – 3 July 2001) was an English musician and composer of electronic music and musique concrète. She is best known for her electronic realisation of Ron Grainer's theme music to the British science fiction television series Doctor Who and for her work with the BBC Radiophonic Workshop." Read on
resonancefm.com: "Film, library and television music with Jonny Trunk. A classic edition (and slightly shorter due to a special broadcast from the Serpentine) from way back in 2005 focusing on the work of legendary Radiophonic Workshop member, Delia Derbyshire. Choc-full of obscure and rare material from one of the pioneers of electronic music."