Musicians

The musicians of Calefax are the inventors of the reed quintet: Oliver Boekhoorn (oboe), Bart de Kater (clarinet), Raaf Hekkema (saxophone), Jelte Althuis (bass clarinet) and Alban Wesly (bassoon).

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Oliver Boekhoorn (Oboe)

Oliver Boekhoorn (1970) is the oboist and youngest member of Calefax. He followed his musical studies at the Royal Conservatory of The Hague and the Dutch academy of music located in Amsterdam (Conservatorium van Amsterdam – CvA). He is also a member of Cobla Amsterdam where he plays the ‘tenora’ and regularly plays as a guest for the larger orchestras and ensembles in the Netherlands. While Oliver plays the Marigaux oboe, he prefers the Bulgheroni for alto oboe and oboe d’amore. He also has a preference for Irish music and has, for some time now, played the Duduk, a double-reed woodwind flute indigenous to Armenia. In his spare time, Oliver enjoys paragliding above the dunes and the Alps or foraging about the woods with his camera.

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Raaf Hekkema (saxophone)

Raaf Hekkema (1968) arranges around half the Calefax repertoire. He also performs as a soloist and is a teacher at the Royal Conservatoire in The Hague. Raaf devotes his energy towards developing the repertoire for saxophone, sometimes leading to seemingly insurmountable projects such as his arrangement and CD recording of the 24 caprices for solo violin by Paganini, for which he was crowned  ‘Instrumentalist of the Year’ in 2007 by the German ECHO Klassik. He has also been awarded a number of other prizes and has been a member of the Dutch Akademie van Kunsten (KNAW) since 2020. Own site: www.raafhekkema.com.

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Jelte Althuis (bass clarinet)

Jelte Althuis (1967) studied clarinet under Herman Braune and George Pieterson at the Sweelinck Conservatory in Amsterdam, qualifying as a performing musician in 1993. He concluded his simultaneous bass clarinet studies under Harry Sparnaay with distinction. Since joining Calefax in 1994, he has been both a member and arranger, playing regularly for the larger orchestras in the Netherlands. At Calefax, he usually limits himself to playing bass clarinet and basset horn. Jelte owns, maintains and drives a 1969 Volvo Amazon.

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Alban Wesly (bassoon)

Alban Wesly (1967) is the bassoonist, co-founder and one of the arrangers of Calefax. For twenty-two years he was also the bassoonist of the German Ensemble MusikFabrik. Since 2019 Alban has been a teacher at the Royal Conservatory of The Hague (bassoon and chamber music).

He studied music at the Dutch academy of music located in Amsterdam (Conservatorium van Amsterdam – CvA) and the Royal Conservatory of The Hague, where he was decorated with honours for chamber music and awarded the Kolfschoten prize. He has collaborated intensively with composers including Gijsbrecht Royé, Karlheinz Stockhausen, Mauricio Kagel, Heinz Holliger, Mayke Nas, Jonathan Harvey and Peter Eötvös. He plays a 2012 Stephan Leitzinger bassoon. Own site: www.wesly.eu.

Bart de Kater (clarinet)

Bart de Kater (1986) studied with Herman Braune, Harmen de Boer and Arno Piters at the Conservatorium van Amsterdam obtaining both his bachelor’s and master’s diploma with honours. During his studies he founded the Nieuw Amsterdams Klarinet Kwartet. Additionally, he is a member of the Netherlands Wind Ensemble. He regularly plays with the Radio Philharmonic Orchestra, the Netherlands Philharmonic Orchestra, the Residentie Orkest of The Hague, Ensemble LUDWIG and the Royal Concertgebouw Orchestra.

His interest in music theatre led to collaborations with theatre companies such as Speeltheater Holland, the Toneelmakerij, Ulrike Quade Company and the Netherlands Opera. He also likes to explore folk music, playing the kaval and the gaida, a Bulgarian traditional shepherd’s flute and bagpipes.

Bart has taught at the Young Talents Departments of the Royal Conservatory of The Hague and the Conservatorium van Amsterdam. In 2020 he joined the woodwind faculty as teacher of clarinet as a principal subject at the Conservatorium van Amsterdam.