About Karstein Grønnesby
Blåsemaker · Oslo
About me
My name is Karstein Grønnesby. I'm from Steinkjer, based in Oslo, and I make traditional Norwegian wind instruments — which is how I've come to call myself «Blåsemaker».
As a wind instrument maker, I carry forward a craft passed down through generations. I learnt the trade from masters such as Magnar Storbækken, Nils Underhaug and Jan Nordkvist. Each instrument is unique — shaped by both the natural character of the materials and the specific needs of the musician.
The materials I work with come from Norway — both timber and horn — formed by and with nature. My aim is to keep this traditional knowledge alive, while exploring new possibilities within the field.
I work closely with musicians on the design of their instruments, and take custom orders from professional musicians, ensembles and organisations.
My Craft
True to Tradition
My work is rooted in a living tradition. I learnt the craft directly from the masters, and keep that knowledge alive through my own practice and close collaboration with musicians.
Norwegian Materials
The timber and horn used in my instruments come from Norway. Many pieces are hand-picked — I work with nature's own forms, selecting materials that suit each individual musician and their key.
Personal Attention
From first enquiry to finished instrument — I'm with you every step of the way. Special orders are welcome, and I'm happy to discuss pitch, materials and finish with you.
The Workshop
I'm based in an old textile factory along the Akerselva river, at Brenneriveien 9 — the same courtyard as concert venue Blå, Strykejernet art school and several other cultural enterprises. The building dates back to the 19th century and is today filled with music, art and craft.
You are warmly welcome to stop by to try out or buy an instrument, collect an order, or drop off pieces — by appointment.
The workshop is first and foremost a working space with no fixed opening hours — feel free to send me a message and we'll find a time that works.
I media
Intervju, omtalar og kunngjersler
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Tildelt Norsk kunstnarstipend
Tildelt arbeidsstipend frå Statens kunstnerstipend via Kulturrådet.
Get in Touch
Whether you want to order an instrument, discuss a project, or simply learn more about the tradition — don't hesitate to get in touch!
I take orders from musicians, ensembles and organisations, and will help you find or create an instrument that fits your needs.
📍 Brenneriveien 9, Oslo
🕐 By appointment