guardian.co.uk: "In 1963, soon after joining the BBC Radiophonic Workshop, Delia Derbyshire, who has died of renal failure aged 64, was asked to to realise one of the first electronic signature tunes ever used on television. It was Ron Grainer's score for a new science fiction series, Dr Who.
She used concrete sources and sine- and square-wave oscillators, tuning the results, filtering and treating, cutting so that the joins were seamless, combining sound on individual tape recorders, re-recording the results, and repeating the process, over and over again." Read on
