Daphne Keune (1971) took her first pianolessons at the age of 7 from Marcel Joosen and turned to Roelof van Reenen in 1984. She participated successfully in the national pianoselection of the 'Young Musical Talent Foundation in the Netherlands' (SJMN) in 1986, followed by a performance at the International Symposium of the SJMN shortly after. At the age of sixteen she was admitted to the Sweelinck Conservatory of Amsterdam and was educated by Jan Wijn and Marcel Baudet. In 1994 she completed her studies at the Sweelinck Conservatory and continued her lessons with Daniëlle Dechenne for another 2 years. She’s a member of the Rondane Kwartet, a quartet which specializes in performing the works for four grand pianos of Simeon ten Holt. Besides her activities in the Rondane Quartet, she performs regularly as a solo pianist, as an accompanist of song recitals, and she owns her private teaching practice.
Laura Sandee (1978) is an all-round pianist. She is a member of Insomnio; a contemporary music ensemble and she plays in the 'Sandee/Van Nieukerken pianoduo'. She also gives solo-recitals and works with the Residentie Choir. With her pianoduo she was semi-finalist at the International Gaudeamus Interpreters Competition and finalist at the Almere Chambermusic Competition in spring 2009. She studied at the Royal Conservatory in The Hague (Holland) where she got her title: Master of Art in Performing Solo and Chamber Music in 2003. Her teachers were Rian de Waal and Håkon Austbø (from the Conservatory of Amsterdam). With Håkon she developed special skills for interpreting Olivier Messiaen’s music. She took master classes with Jan Wijn, Edith Grosz-Lateiner, Jörg Demus, Gabor Eckhardt and Vladimir Tropp. She gave solo recitals in Vredenburg Utrecht and Muziekcentrum Frits Philips Eindhoven and she also performed with the Nieuw Ensemble and played synthesizers with Asko/Schönberg Ensemble. As a soloist she performed piano concertos in and outside Holland with orchestras such as the Collegium Musicum Schloss Pommersfelden (Germany), Krasnoyarsk Academic Symphony Orchestra (Siberia) and Insomnio (Finland). In 2004 composer Reza Namavar wrote a piano concerto especially for her. Laura is a pianoteacher at the Royal Conservatory in The Hague.
Petra van Oort (1973) started her piano studies at the Sweelinck Conservatory Amsterdam with Marcel Baudet and completed her studies with Jan Wijn in 1998. She participated in the Princess Christina Competition twice: in 1989 she became a finalist and in 1991 she won a first price. In 1992 she won the third price in the National Competition of the Young Musical Talent Foundation in the Netherlands (SJMN). Through the years she followed several master classes. In 1998 Petra began studying German Language and Culture at the VU University in Amsterdam and at the Philipps-Universität of Marburg (Ger.) and obtained her Master’s degree in German Literature at the VU University in 2003. From 2003 until 2006 she worked as the personal assistant to conductor Prof. Hartmut Haenchen. Besides her performances with the Rondane Quartet she gives chamber music concerts with several other musicians, performs as a soloist, accompanist of (song) recitals and she owns her private teaching practice.
Robert Lambermont (1976) is a professional piano player and sculptor and graduated in 1999 at Amsterdam’s Gerrit Rietveld Academy. During his studies at the Rietveld Academy he ran into compositions of Simeon ten Holt and discovered on intuitive level analogies between this music and his own art works. Together with the members of the Rondane Quartet and others, Lambermont performs piano compositions of Ten Holt frequently combined with exhibitions of his art ever since. Robert Lambermont used to be a personal friend of Simeon ten Holt. In the course of the years Lambermont and the other pianists of the Rondane Quartet had been invited by Simeon ten Holt personally to perform his music on a number of occasions. Robert Lambermont received several stipends of The Mondriaan Foundation.