This covers the Radiophonic Worshops most primitive but inventive period and as such is the best introduction to their excellent work.Featuring material spanning 1958-1971 its great to listen to works before the greater use of synths, and experience the resourcefulness and sheer logistics that must have gone into Delia Derbyshires famous Dr. Who theme for example.A number of Electronic Music pioneers are here including Paddy Kingsland, Roger Limb and the aforementioned Delia Derbyshire.