At this time Rainbow received much wider recognition for his music through the support of Kenny Everett, then on Capital Radio in London, who featured his music extensively.
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Rainbow wrote, produced and recorded jingles for Capital Radio 95.8FM 1973 to 1984 for Kenny Everett, Mike Aspel, Tommy Vance, David Symonds, and others.
The lead track Forever and Ever was later spoofed by Kenny Everett on his television show.
Kenny Rogers | Kenny Chesney | Kenny Wheeler | Kenny Loggins | Kenny G | John Everett Millais | Kenny Barron | Kenny Garrett | Kenny Dalglish | C. Everett Koop | Kenny Everett | Kenny Burrell | Everett | Enda Kenny | Anthony Kenny | Tom Kenny | Kenny Scharf | Everett, Washington | Kenny Wayne Shepherd | Kenny Rankin | Bill Everett | Edward Everett Hale | Yvonne Kenny | Pat Kenny | Kenny Leon | Kenny Lattimore | Kenny | Harry Everett Smith | Everett True | Edward Everett Horton |
Later on, Bregonzi worked with comedians Cannon and Ball, Kenny Everett, Hale and Pace, Little and Large, Kelly Monteith, and on half a dozen occasions in the television series The Two Ronnies (with Ronnie Barker and Ronnie Corbett) and Filthy Rich and Catflap (1987, with Rik Mayall, Adrian Edmondson and Nigel Planer).
In 2012 he played John Alkin in BBC 4's The Best Possible Taste, a biography of Kenny Everett.
Jonathan Reginald Surdeval Routh (24 November 1927 – 4 June 2008) co-starred in the British version of the television show Candid Camera (1960–67) and co-starred with Germaine Greer and Kenny Everett in a later attempt at a revival, Nice Time (1968).
It contains thirty-four articles and essays on pop music on personalities including Little Richard, Brian Epstein, Dusty Springfield, Jayne County, Sylvester, Village People, Tom Robinson, Culture Club, Frankie Goes to Hollywood, Bronski Beat, Divine, The Communards, Erasure, Pet Shop Boys, Marc Almond, Kenny Everett, Morrissey, and Boy George.
These were later pruned, and the cast enlarged to feature the likes of Clive James, Kenny Everett and John Wells.
KTDY at one point aired American Top 40 With Casey Kasem, King Biscuit Flower Hour, Record Report and the Special of the Week with Robert W. Morgan, Scan, Powerline, Earth News, Dr. Demento, Off The Record With Mary Turner, 60 Second LP, and in the early days of the station a strange, daily comedy serial called Kremmin of the Star Corps which turns out was created by well known BBC personality Kenny Everett.
Other television credits include, Minder, Bergerac, The Kenny Everett Television Show and Roald Dahl's Tales of the Unexpected.