Pitching Spaces (2021) Roger Dean (Duo improvisations, using several tuning systems, including that of Bohlen & Pierce. Videod and montaged in accord with the call for the 2021 Guelph Online Improvisation Festival. | 202106.

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Pitch Multitudes 1-2 (2020) Roger Dean ( I’m developing a series of pieces using the virtual grand piano as an instrument capable of playing any pitch, not just the normal 88 pitches of our conventional 12-tone equal temperament (12-TET). I previously made a family of tuning systems where there are no repeating ratio intervals of frequency as there are in ET, but where some increments of frequency (additive steps) between adjacent members of the system do recur. Here I take this to the logical extreme, performing discrete pitches that can be anywhere in the normal audible range. The piano tones are generated by physical synthesis within the software PianoTeq. This improvisation is named because of the pitch structure and because of the motivic developments I improvised on a touch-pad. I also subsequently improvised a visualisation of some aspects of the audio of the piece, shown alongside it in the video. Created for the 2020 Guelph Online Improvisation Festival. | 202006.

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Digging Deep (2018) Roger Dean ( a duet between Roger Dean, live piano and processing; and algorithmic manipulation of a piece generated by Deep Improviser in 2017. Deep Improviser is a prototye computational deep learning generative system created by Dean (see his 2018 article on it). After the death of Cecil Taylor in early 2018, Dean included a brief piano performance tribute to him in each performance during that year: this is the final work culminating from that series. A 4Channel (48KhZ, 24 bit) spatial recording: see here for basic guidance on 4 channel audio set ups for the web. A compressed 2 channel mp3 is available from the next link on this page. | 20181228.

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Digging Deep (2018) Roger Dean ( a duet between Roger Dean, live piano and processing; and algorithmic manipulation of a piece generated by Deep Improviser in 2017. Deep Improviser is a prototye computational deep learning generative system created by Dean (see his 2018 article on it). After the death of Cecil Taylor in early 2018, Dean included a brief piano performance tribute to him in each performance: this is the final work culminating from that series. A compressed 2 Channel mp3 of the full version in the link above. | 20181228.

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Serial Collaborations 3, Live in Singapore. ( Roger Dean, piano and computer.A performance using Dean's Serial Collaborator algorithm (driving physical synthesis piano sounds), in conjunction with live digital piano and processing. Recorded in Singapore, November 2013, courtesy of PerMagnus Lindborg and the Singapore13 symposium on interactive sound.) | 201311.

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The Serial Collaborator 1 (An algorithmic piece by Roger Dean, computer and physical synthesis piano) | 2013.

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Louis LeMoine (extract) (Roger Dean's MultiPiano Event Live Montreal 2011 at Suoni Popolo festival: Roger Dean, piano and computer. Video courtesy of Eric Lewis.) | 2011.

Live in Montreal 2011: Improvisation (Roger Dean's MultiPiano Event at Suoni Popolo festival: Roger Dean, piano and computer. Video courtesy of Eric Lewis.) | 2011.

Improvisation-GPR-EA-2010 (austraLYSIS Electroband: Roger Dean, piano and computer; Phil Slater, trumpet; Greg White, computer) | 201007.

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Retrospects (austraLYSIS Electroband: Roger Dean, piano and computer; Sandy Evans, saxophones; Greg White, computer) | 201006.

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History Goes Everywhere (Premiere) (austraLYSIS: Roger Dean, piano and computer;Sandy Evans, saxophones; Greg White, computer) | 201006.

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Cloudspotting Together (austraLYSIS: Roger Dean, computer; Sandy Evans, saxophone; Phil Slater, trumpet; Greg White, computer) | 200912.

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VIPRE MultiPiano (Roger Dean, piano/computer. A live recording of RD's MultiPiano performances. Video excerpt. Please note that this was recorded with low audio fidelity) | 2008.

Electroacoustics (where to? where from?), by Roger Dean (performed 2007; Released on the New Music Network 2009 sampler CD.) (austraLYSIS: Elliott Dalgleish (saxophone); Roger Dean (computer); Sandy Evans (saxophone); Greg White (computer). The saxophonists improvise freely, while their sounds are recorded by the two computer players and subsequently manipulated. Material which has been recorded can be processed and re-presented between 20 and 180 seconds after it was first played. The two computer players each process one saxophone stream, and a wide variety of transformation techniques are used. A few additional computer generated components are included, and the performance slightly remixed by Roger Dean | 200912.

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Elliott Dalgleish and Roger Dean: Par excellence (Elliott Dalgleish, saxophone; Roger Dean, laptop; 7'39") | 2007.

Stanza 1 Pt 1: Improvisation (synC, Garth Paine and Michael Atherton, with guest Roger Dean, piano and computer) | Sydney 20071025.

Stanza 1 Pt 2: Improvisation (synC, Garth Paine and Michael Atherton, with guest Roger Dean, piano and computer) | Sydney 20071025.

Garth Paine and austraLYSIS: Facing Off (Garth Paine, soloist: piano, percussion and vocal sample manipulation with Wacom table and Kyma system; Roger Dean, Greg White(austraLYSIS), accompanists, electronics) | Recorded Live, Sydney 2006.

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Alone Together (Roger Dean piano, computer) | Recorded Live, Sydney 20050924.

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Sunday Piano - Excerpt (Roger Dean piano, computer) | Recorded Live, Canberra Museum and Gallery, Australia, 2004.

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Recorded Shape by Roger Dean (The austraLYSIS Electroband, Roger Dean, keyboards, computers; Sandy Evans, saxophones; Greg White, computers: from the double CD 'LYSIS LIVES' Future Music Records, UK) | Recorded Tallong, NSW 2001.

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Displacements: Evans, Dean, White (Sandy Evans, saxophones; Roger Dean, double bass; ; Greg White, sound projection, processing | Live at Performance Space, Sydney NSW 20001118.

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Free Improvisation: the austraLYSIS Electroband (The austraLYSIS Electroband, Roger Dean, keyboards, computers; Sandy Evans, saxophones; Greg White, computers | Live at Performance Space, Sydney NSW 20001118.

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LowHz 1, by Martin Ng (no input mixer), Roger Dean (computer) (Live at Performance Space, Sydney NSW 20001118. A noise music improvisation)

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Resistance 2000: the austraLYSIS Electroband (The austraLYSIS Electroband, Roger Dean, keyboards, computers; Sandy Evans, saxophones; Greg White, computers | Live at Performance Space, Sydney NSW 20001118.

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Tuning the Tempers 2 by Roger Dean (Roger Dean, DX7 synthesiser, from CD 'THe Wings of the Whale', Soma Records) | Recorded Sydney, NSW 1990.

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Amplified Trio Improvisation (Hazel Smith, violin; Roger Dean, bass; Ashley Brown, percussion) | Live in Southport, UK, 1978.

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