The Syn are an English band that were active from 1965 to 1967, and then reunited as a progressive rock band in 2004. The band was founded by Steve Nardelli, Chris Squire, Andrew Pryce Jackman, Martyn Adelman and John Painter. Chris Welch, in his book, Close to the Edge: The Story of Yes wrote, "The Syn were very similar to Yes in fact. It was very much a precursor of Yes."