The original of "Flash" is by the Duke of Burlington (pseudonym of Mario Battaini) and dates from 1969 (as released on Signal / Saar). The Tony Carrasco produced Italo remake on Proto dates from 1983. Val Merrall's cover version was recorded between 1970 and 1974 somewhere. It's off the "Gypsy Creams & Ginger Nuts - Sounds That Swept The Supermarkets (The Redifunk Of Rediffusion) (Mood Mosaic Volume Ten)" v/a cd on RPM (2007, cat. no. 328).