Isotope And Gary Boyle - Upward Curve (Live At The BBC 1973-1977)
Isotope-OGWT "Bite On This" and "Upward" from 26/3/74
Isotope - Deep End (1976)
Isotope - "Spanish Sun", live in London, late 1974, broadcast on Old Grey Whistle Test, 7/2/75
ISOTOPE 3: Spanish Sun
Isotope - Illusion
Isotope - Fonebone
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