Moon Williams was the vocalist for the house band at the famous Marquee Club, in Wardour Street, London. There he supported acts such as Georgie Fame, Chris Farlowe Jimmy Cliff, Long John Baldry, Vinegar Joe (the band that included both Elkie Brooks and Robert Palmer) Steampacket (Jeff Beck and Rod Stewart were members).
He has made many records over his career in a variety of names. Among the vocals tracks he has lent his talent to are records by Ray Russell. His backing musicians and backing vocalists read like a who's who of the British music scene at the time. Ray Russell, Mo Foster, Frank Ricotti. Vocalists included Madelaine Bell and Vicki Brown, the late wife of the famous rock n roller Joe Brown. He has also sung backing vocals on many other peoples sessions.
Moon Williams was No 1 in Denmark with a house and garage track he wrote called Help.
The Voice Magazine sponsored a competition to find the black voice of '98 held at the Empire Rooms in Tottenham Court Road in London. Moon Williams was the winner. Moon Williams has supported Marvin Gaye, the Three Degrees, Van Morrison, Hot Chocolate and Ben E King on tour.
He has sung R n B, he has sung, rock, he has sung heavy metal, he has sung pop, he has sung ballads, he has sung disco, he has had songs in films and as TV themes. He has appeared on television he has even sung a football song to celebrate the World Cup.