“Keijser 18 BV is a full service company in the field of media for musicians for over 40 years now. The company is run by three brothers: Erk Willemsen, Marcel Willemsen and Ronald Willemsen. At Keijser 18 BV, all aspects of production—ranging from subscription management to design—are handled in-house by expert teams specialising in editorial, design, sales, marketing, and administration. The company approaches every project and title as a complete, multi-dimensional product, spanning print, digital, online, social media, video, and events. 

They’re mostly known for their magazines Slagwerkkrant, Interface, Gitarist and De Bassist, but even events like Amsterdam Guitar Heaven, Hybrid Drums Experience and DrumDrieDaagse are popular within the Dutch music industry!”