21 April 1958

'Humph' - as he was affectionately known - was surprised by Eamonn on the stage of the BBC Television Theatre, having been led to believe he was taking part in a variety programme which had been hastily prepared as a replacement for an edition of This Is Your Life which was cancelled after the press had exposed the intended subject.

22 February 1960

The trumpeter and bandleader - credited with pioneering the development of jazz in the UK - was surprised by Eamonn at the BBC Television Theatre.
Among those greeting Nat, who formed his own band in 1935, is fellow musician Humphrey Lyttelton and, from America, a recorded message from jazz legend Louis Armstrong.

16 April 1962

Acker - who had a huge hit with a recording of his own composition Stranger on the Shore - was surprised by Eamonn at a newly built centre for handicapped youngsters in Slough.
His guests include the influential American clarinetist, George Lewis - flown from the United States especially for the show.

23 October 1962

Eamonn surprised the actress and jazz singer at the BBC Television Theatre, during a recording of a song she was singing with her husband, John Dankworth and his band.
Cleo's tribute includes messages from entertainer Roy Castle and actress Sheila Hancock.

3 March 1971

The jazz musician - best known as the bandleader, lead trumpet player and vocalist in Kenny Ball and his Jazzmen - was surprised by Eamonn during the programme's second series produced by Thames Television.

27 February 1974

Eamonn surprised the musician and composer at Ronnie Scott's jazz club in London's Soho following the investiture of his CBE at Buckingham Palace.
John - who established his own jazz orchestra in the 1950s and married the singer and actress Cleo Laine in 1958 - was greeted by Yehudi Menuhin and Duke Ellington, among others.

21 February 1979

Eamonn enlisted the help of singer Petula Clark in order to surprise the French jazz violinist outside his London home - on the King's Road in Chelsea.
Among his guests are fellow violinists Yehudi Menuhin and Nigel Kennedy, and messages from singer Sacha Distel and actress Jeanne Moreau.

12 February 1992

The legendary pianist - who was born blind - was surprised by Michael at Ronnie Scott's famous jazz club in London's Soho. Michael handed George the big red book and asked him to read the cover, which was written in Braille.
George's tribute includes a phone call from Peggy Lee and messages from Henry Mancini and Mel Torme.

21 April 1993

Michael travelled to Liverpool to surprise the jazz and blues singer at the city's Playhouse theatre - announcing that 'there's a story as colourful as one of your suits to be told'.

George's guests include musicians Humphrey Lyttelton and Wally Fawkes and singer Elisabeth Welch.

17 May 1995

The singer - who soared to international fame at the age of 14 - was surprised by Michael outside Thames Television's Teddington Studios. Originally a singer of pop songs, Helen has admitted her first love is jazz. Musicians Humphrey Lyttelton and George Melly, and pop singer Cliff Richard pay tribute, and the show ends with Helen singing out over the credits.

21 February 1996

The saxophonist, perhaps best known to the public for his radio shows and books, was surprised by Michael at Pizza on the Park in London's Hyde Park.
Benny is greeted by choreographer Wendy Toye, and cricketer Denis Compton, while Canadian jazz pianist Oscar Peterson sends a recorded message.