Not long after, he formed the group The Attack, also in 1966, featuring guitarist and trumpeter David O'List (later of The Nice with Keith Emerson), Richard Sherman on vocals, Bob Hodges on piano and organ, Gerry Henderson on bass and Whitehead on drums.

They released four singles in all, three in 1966 "Try It" / "We Don't Know", "Hi Ho Silver Lining" / "Any More Than We Do", "Created by Clive" / "Colour of My Mind" and one in 1967, "Neville Thumbcatch" / "Lady Orange Peel".

[1] Although he has had a diverse music and business career, Whitehead is best known as a member of Marmalade, whose most successful single in the UK was a cover version of the Paul McCartney song "Ob-La-Di, Ob-La-Da".

After leaving Marmalade, Whitehead worked as a photographer for a while and set up his own management company, negotiating his first production contract with EMI Records.

[4] He ran Chubby Lama Management with Sasi Langford, representing the indie rock band Shoot the Preacher, who won The Global Song Writing Competition.

[8] He currently lives in Thailand and was single until in 2021 when he met a Thai woman called Kwhanchai, known to everyone by her nickname of Kitty,[9] who is thirty years his junior.