He produced Rod Stewart's first two solo albums, the orchestral version of The Who's rock opera Tommy, and Rick Wakeman's Journey to the Centre of the Earth.
He signed and produced The Eyes of Blue, introducing them to Quincy Jones and collaborated with them on the soundtrack of the film The Toy Grabbers (released in the US as Mother).
[4] He signed Smile (a precursor to Queen) and was executive producer on their 1969 recordings, although, other than a US single "Earth"[6] they were not released until 1998, long after his death.
[10] Tommy was recorded by the London Symphony Orchestra with the English Chamber Choir, conducted by David Measham and arranged by Will Malone.
The success of these extravagant productions encouraged him to work on the soundtrack to All This and World War II, a 1976 film comprising 20th Century Fox World War II newsreels, set to Beatles songs, re-recorded by current artists such as The Bee Gees, Rod Stewart, Status Quo and Peter Gabriel.
Reizner went on to produce the music to the 1977 film Black Joy featuring Gladys Knight & the Pips, Aretha Franklin, The Drifters and The O'Jays.