In July 2023, the fourth edition of Een Harp onder de Riem will take place: the music improvisation festival of the Netherlands! This music festival will take place at the Mozes & Aaron Church on Amsterdam’s Waterlooplein.

The 1-on-1 concerts
Walk in for free all month long between noon – 4 pm. Listen to music inspired one-on-one by your story or that of one of your fellow attendees. Receive an insane and unique personalized piece of music. Hear how a new composition is created. Become part of Amsterdam’s musical diary.