James 'Foz' Foster (born 1960) is an English composer and multi-instrumentalist. He is best known as the lead guitarist in the art-rock band, David Devant and his Spirit Wife, and in the 1983-5 incarnation of The Monochrome Set. Foster also plays guitar, musical saw and vibraslap in the house band of Karaoke Circus and occasional saw in Martin White's Mystery Fax Machine Orchestra. He plays ukulele and other instruments as part of the double-act, Foster and Gilvan, and is also musical director of Sawchestra – a band of musical saw players who perform Foster's compositions to accompany silent films. He also presents the radio show, 'Adrift with Foz'.