ISOTOPE are Jazz-Rock British based quartet formed in 1973 by guitarist, Gary Boyle with Nigel Morris (drummer), bass player Jeff Clyne (bass) (Jeff previously was a member of Ian Carr's Jazz-Rock group: NUCLEUS) and Brian Miller (keyboards). The band soon signed with Gull Records in England and Motown in the USA, and started touring colleges and clubs around Britain, as well as touring on the continent such as: France, Germany and Scandinavia.
In 1974, they release their debut album, which is self-titled in 1974 & become quite critically acclaimed & fortunately, the band gained equal acclaim for their live performances. Even guitarist Gary Boyle was voted top 3 guitarist in Britain during the time due to a poll in Melody Maker magazine. In the same poll ISOTOPE picked up fourth place in both LP of the year. Due to their success, it seemed that Brian Miller & Jeff Clyne were unable to handle the success, so they left in March of 1974. They were replaced by Laurence Scott, a semi-pro keyboard player, and Hugh Hopper (formerly of SOFT MACHINE), whom Boyle had met while working with STOMU YAMASH'TA (Japanesse fusion band). The new line-up embarked on a UK tour in June and July, followed by dates in Germany and the Netherlands in August. They then entered the studio, with Poli Palmer (ex-ECLECTION and FAMILY) producing, to record "Illusion". The writing was now shared equally between Boyle, Scott and Hopper.
Intensive touring in Britain followed, and a US tour was undertaken in March and April 1975. Percussionist Aureo DeSouza was then added to the line-up for a European tour, and drummer Jeff Seopardie also reinforced the band for British dates later that year. In December 1975, Scott left and was replaced by Frank Roberts. At that point, management problems resulted in a very difficult financial situation and Hugh Hopper decided to leave. In March 1976, a third album, "Deep End", was recorded (production duties were handled by BRAND X's Robin Lumley), with Hopper playing on only his own composition "Fonebone". Bassist Dan K. Brown and second keyboardist Zoe Kronberger were added at that point, but gigs became sparser. There was one last line-up change in 1977, with only Boyle surviving from previous personifications, alongside Geoff Downes on keyboards (later in YES and ASIA), Steve Shone on bass and Colin Wilkinson on drums, but this new ISOTOPE never went beyond the rehearsal stage, only recording a couple of radio sessions. The band split as a result of management problems and the demise of British Lion Music, an offshoot of British Lion Films. Boyle recorded two solo albums for Gull Records, "The Dancer" and "Electric Glide". He then ventured north, recorded three further albums "Step Out!", "Friday Night Again" (released in Denmark) and "Triple Echo" and mixed teaching with regular gigging around the region.
ISOTOPE is a strong fusion band with all the characteristics of a fusion band. Gary Boyle's guitar style is among the style of John Mclaughlin & the technique of Sonny Sharock. Their first album which is self-titled release & "Illusion" are the two high pinnacles & define ISOTOPE as a great un-sung Fusion band.