"Amsterdam has got it" is our slogan but now and then urban surprises from other cities pop up. Like "muziek in ontwikkeling" in Haarlem.
Once upon a time (about three weeks ago) there was a female violinist who, after visiting a friend, walked through an empty building where people were working at that moment. She noticed that the acoustics in the room were excellent so she took her violin and started playing. It felt like magic and together with her friend Ziggy Klazes, who took the initiativ and a webbuilder they started "music in development" . Free, short lunchconcerts at large building locations. This initiative is now a fact and the website is in the air. For locations, dates, time and a preview go to