Record producer who has worked with big name bands and artists such as Pink Floyd, Elton John, and The Beatles. He played keyboards on five songs on The Beatles' White Album.
He was a violin and piano student as a child but decided later in life he didn't want to be an actual musician but would rather stay behind the scenes.
Among the bands that he produced breakthrough albums for were The Sex Pistols and INXS.
He was born in Perivale, Middlesex, England.
He and Pete Townshend worked extensively together.