He is best known as a co-founding member of the British band The Foundations, and played on their hit singles "Baby, Now That I've Found You" and "Build Me Up Buttercup".

In November 1967 Mike was living in a Paddington flat, identifying as a Rastafari, with a liking for progressive jazz.

[1] Elliott was also a member of The Cabin Boys, led by Colin Hicks the brother of British rock 'n' roll singer Tommy Steele.

Besides Rodriguez on Trombone and Elliott on saxophone, the band included another saxophonist Lovett Brown and Jackie Edwards on piano etc.

His recording "This Love of Mine" appeared on the flip side of Terry Moon's "Moon Man" (Planetone RC11), "J.K. Shuffle" appeared as the flip side to Basil John's "Drink and Drive" (Planetone RC 12).

[2] By 1967 he was a member of the multi-racial English soul group The Foundations who would be known for their million selling hits with "Baby, Now That I've Found You" and "Build Me Up Buttercup" etc.

Sometimes they barely made enough money to cover the rent, occasionally living off leftovers and a couple of pounds of rice.

"[12] In an article from the December, 1967 issue of Beat Instrumental by Crotus Pike, Elliott who was playing a Conn Mark 10 saxophone, and had played with the like of jazz greats Tubby Hayes and Ronnie Scott explained that the transition to pop and soul had been automatic for him.

But he did say that the melody line in a group like the Foundations was more important and that he explained saying, "I try very hard to give the vocalist a proper harmony, so he can put over the tune at its best".

[13] In the 14 December 1967 issue of Melody Maker, Eric Allandale was supposedly interviewed for the Blind Date section.

9 in the Brass & Woodwind category of the 1967 Beat Instrumental Gold Star Awards which were displayed in the magazine's February, 1968 issue.

[1][18][20] The time-line also puts him with the group in January, 1968 on the French television show, Bouton Rouge.

[29][30] "Milk And Honey" would turn up as the flip side of Junior English's "One And Only" which was produced by Lord Koos.

[34] In a 2022 interview with Strange Brew, Foundations guitarist Alan Warner was talking about the relationship the band had with Tony Macaulay.