Free 1, Leckhampton (Roger Dean, piano; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1973.
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Free Vibes, Leckhampton (Roger Dean, vibraphone; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1973.
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Jazz : Maiden Voyage (LYSIS with guests: Roger Dean, piano; Geoff Klyne, bass; Ashley Brown, drums; Kenny Wheeler, trumpet; Chris Pyne, trombone) | Recorded Cambridge, UK 1972.
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Jazz : 81 (Thornton Dean Trio: Roger Dean, piano; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1971.
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Jazz : Freeing Back - Milestones (Thornton Dean Trio: Roger Dean, piano; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1971.
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Jazz : Free Ballad - HH (by Roger Dean) (Thornton Dean Trio: Roger Dean, piano; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1971.
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Jazz : Very Early (Evans) (Thornton Dean Trio: Roger Dean, piano; Chris Laurence, bass; Ashley Brown, drums) | Recorded Cambridge, UK 1971.
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Jazz : Unit B by Roger Dean (LYSIS: Roger Dean, piano; Dave Mitchell, saxophones; John Wallace, trumpet; Geoff Kitchener, bass; Ashley Brown, drums) | Recorded Oundle, UK 19700228.
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Jazz : Rising (LYSIS: Roger Dean, piano; Dave Mitchell, saxophones; John Wallace, trumpet; Geoff Kitchener, bass; Ashley Brown, drums) | Recorded Oundle, UK 19700228.
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Jazz : Tp&P by Roger Dean (leading into Milestones) (LYSIS: Roger Dean, piano; Dave Mitchell, saxophones; John Wallace, trumpet; Geoff Kitchener, bass; Ashley Brown, drums) | Recorded Oundle, UK 19700228. This was probably the first occasion on which our ensemble was billed as LYSIS.
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Jazz : working on '81' by Ron Carter (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : working on 'Monk' (The Thornton Dean Trio: Roger Dean, vibraphone; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : Reversion (1968/9) by Roger Dean (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : A.S. by Roger Dean (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : Untitled (1968) by Roger Dean (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : Working on 'Satin Doll' (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : Free-InsidePiano (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Jazz : Nelch by Roger Dean (extract) (The Thornton Dean Trio: Roger Dean, piano; unidentified, guitar; Ashley Brown, drums) | Recorded Cambridge, UK 1970.
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Classical composition: Roger Dean Trio 1967 for vibraphone/piano, cello, clarinet.
(performers list; | Recorded Cambridge, UK 1970.