This review just popped up on The Grauniad website. The film is narrated by Laurie Anderson so we can expect a serious treatment of a much-neglected strand of the history of electronic music.
The article also mentions that a documentary called Delia Derbyshire: The Myths & The Legendary Tapes will be broadcast on BBC TV in May as part of an event focussing on the city of Coventry, Britain’s City of Culture 2021.
The film’s site has some streaming options for US/UK and it is on Vimeo right now for the rest of us (well, minus a bunch of countries where it’ll play later I guess):
(site previously posted in the inspiration thread: