Following their 2007 Clean Feed release Delphinius and Lyra the duo of Gunter Baby Sommer and Raymond MacDonald reach deeper into their collective creative conversation for sixteen succinct improvisations--confident, boisterous or introspective--including a 5-part series of "Miniatures", performed on alto & soprano saxophones, drums and an eclectic set of percussive devices.

A stellar collective collaboration between British and Australian improvisers recorded at the Kazz Lab/Jazz Club, in Melbourne, Australia as part of a joint recording project between MONASH and RMIT Universities, with performers Raymond MacDonald on alto sax, Robert Burke on tenor sax, Paul Grabowsky on piano, Nick Haywood on double bass and Antony Floyd on drums.

Scottland's large improvising ensemble of around 20 musicians, merging backgrounds in free improvisation, jazz, classical, folk, pop, experimental musics and performance art, in a 2-CD release of a piece commissioned by the BBC and featuring pianist Marilyn Crispell and saxophist Evan Parker, written using graphic scores, through composition, photographs and artwork.

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The large Glasgow Improvisers Orchestra, led by Raymond MacDonald, met trombonist George Lewis in 2012 at CCA in Glasgow to record this two part work based on a set of instructions presented graphically, plus an extended free improvisation.

Glasgow's Improvisers Orchestra from the CCA Glasgow performing three free improvisations and a discretely structured piece by Raymond MacDonald.