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| 17 October 1976 | UK, London | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 30 November 1976 | UK; OMNIBUS programme, “B to X of the cello” (Bach to Xenakis); (postponed from 20 May); Rohan being filmed for the programme, performing movements of works by Schubert and Rachmaninov | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 15 February 1977 | Netherlands, Hilversum Radio Recording:
Johannes Brahms: Violin Sonata No. 1 in G major transcribed by Brahms for cello and piano Henri Pousseur: : Racine dix-neuf written for Rohan Rolf Gehlhaar: Solipse for cello and tape delay | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 02 April 1977 | Netherlands, Hilversum Recording Rolf Gehlhaar: Solipse for cello and tape delay | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 19 June 1978 | Australia, Perth, University of Western Australia | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 24 February 1979 | UK, Oxford, Wolfson College; Option Band Anglo-American programme, including Gehlhaar solipse | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 30 July 1980 | Australia, Sydney; The Old School, Darling Road; Xenakis 'Kottos', Movements Bach III, Kodaly Finale of Solo Sonata, Kandyan drum, Gehlkaaz | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 06 August 1980 | Australia, Melbourne, Victoria College of Arts; Talk and Performance, <br>Kandyan Drum; Xenakis; Bach (Preludes 4, 6, 3) | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 03 July 1981 | Netherlands, Middelburg;12 hrs notice to give solo recital to replace cancelled concert | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 28 January 1982 | Netherlands, Hilversum Radio; Quartet; Gelhaar, Braun | Rolf Gehlhaar (website) | Musiken | |
| 31 August 1982 | Australia, Canberra | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 27 March 1985 | UK, London, Purcell Room; Quartet; Beethoven, Michael Tippett, James Wood, Rolf Gehlhaar, Roger Redgate | Rolf Gehlhaar (website) | Musiken | |
| 26 May 1985 | UK, London, St John's Smith Square; Rolf Gelhaar, James Fulkerson | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 16 November 1985 | UK, Oxford | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 19 March 1986 | UK, Tunbridge Wells | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 30 August 2004 | Germany, Bremen, Radio Bremen; solo recording Zeitlang Musikproduktion till Sept 2nd | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 16 December 2005 | Germany, Stuttgart, Staatlichen Hochschle für Musik und Darstellende Kunst. Solo items by both cellists, Rohan and Christophe Roy, Rohan performing Kottos by Iannis Xenakis, Sequenza XIV by Luciano Berio and Solipse by Rolf Gehlhaar | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 10 August 2006 | Germany, Darmstadt Orangerie; 43rd Internationale Ferienkurse Für Neue Musik | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | website |
| 01 December 2006 | Cyprus, Nicosia; The Pharos Trust Xenakis Week; Pasydy Auditorium. The Life and Music of Iannis Xenakis, Architect of Sound, Multi-Media Encounter; Pasydy Auditorium; Nouritaza Matossian: biographer of Xenakis | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | |
| 06 June 2007 | UK, London, Spitalfields, Wilton’s Music Hall; Programme for two cellos | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | website |
| 22 November 2008 | Czech Republic, Prague, La Fabrika Theatre; Contempuls Contemporary Music Festival | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | website |
| 06 March 2010 | Germany, Museum Schloss Moyland, D 47551 Bedburg-Hau; 8pm | Rolf Gehlhaar (website) | Conversation on Colour and Time (written for Rohan & his son Suren) (Wld Prem) | website |
| 07 March 2010 | Germany, Black Box / CubaCultur, Achtermannstrasse, D 48151 Munster | Rolf Gehlhaar (website) | Conversation on Colour and Time (written for Rohan & his son Suren) | website |
| 16 September 2014 | UK, London; ****POSTPONED***** | Rolf Gehlhaar (website) | Solipse for cello and tape delay system | website |
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