APPEARANCES +
Glasgow Improvisers Orchestra*
Flying A Kite On An Empty Beach
2022, CDr, 
,
, Avant-garde Jazz/Free Jazz/Free Improvisation
Glasgow Improvisers Orchestra* & Maggie Nicols
Energy Being
2019, CD, Album, FMR Records (2), ,
, Free Improvisation/Avant-garde Jazz
Glasgow Improvisers Orchestra* Featuring Marilyn Crispell & Evan Parker
Parallel Moments Unbroken
2018, 2xCD, Album, FMR Records (2), ,
, Contemporary Jazz/Free Improvisation/Free Jazz
Glasgow Improvisers Orchestra*
The Word For It Now
2017, CD, Album, FMR Records (2), ,
, Free Improvisation/Free Jazz
Glasgow Improvisers Orchestra* & George Lewis
Artificial Life 2007
2013, CD, Album, FMR Records (2)
Glasgow Improvisers Orchestra* With Lol Coxhill & Evan Parker
Improcherto (For HB) By George Burt
2012, CD, Album, Iorram Records, ,
, Free Jazz/Contemporary Jazz/Free Improvisation
Barry Guy, Glasgow Improvisers Orchestra*
Schweben – Ay, But Can Ye?
2012, CD, Album, Maya Recordings, Maya Recordings, 
,
, Free Improvisation/Contemporary Jazz/Poetry/Spoken Word
Glasgow Improvisers Orchestra* And George Lewis
Metamorphic Rock
2009
GIO*
Poetics
2008, CD, Album, Ltd, Creative Sources, 
,
, Free Improvisation
London Improvisers Orchestra / Glasgow Improvisers Orchestra*
Separately & Together
2008, 2xCD, Album, Emanem
Bag O'Cats
Out Of The Bag
2001, CD, Album, Greentrax
George Burt Raymond MacDonald Quartet*
Big Brothers
2000, CD, Album, George Burt Raymond MacDonald Records
Various
The Kilmartin Sessions The Sounds Of Ancient Scotland
1997, CD, Album, Not On Label
Various
Seriously Scottish - Music From Contemporary Scotland Volume 2
1999, 2xCD, Comp, Promo, Scottish Music Information Centre, Scottish Arts Council