found: With great pleasure, 1986:t.p. (BBC Radio 4)
found: BBC handbook, 1986:p. 18 (Radio 4) p. 246 (The BBC provides four national services, Radio 1, Radio 2, Radio 3, and Radio 4, and four national regional services--Radio Scotland, Radio Wales, Radio Cymru (Welsh lang.), and Radio Ulster; there are no local radio stations in Scotland, Wales, and Northern Ireland)
found: Britain, 1986:p. 412 (The British Broadcasting Corporation, Radio: Radio 4 is the main speech network, providing the principal news & info. service, as well as drama, comedy shows, and panel games; it also carries parliamentary coverage & live relays of major public events)
found: Bryn Terfel live in concert [VR] c2003:credits (Radio 4)
found: BBC WWW site, Nov. 30, 2005(BBC Radio 4)
found: Wikipedia, viewed 22 July 2022:under BBC (the BBC reorganised and renamed its radio channels on 30 September 1967: the Light Programme was split into Radio 1 offering continuous "Popular" music and Radio 2 more "Easy Listening"; the "Third" programme became Radio 3 offering classical music and cultural programming; the Home Service became Radio 4 offering news, and non-musical content such as quiz shows, readings, dramas and plays)