Join us!

In the fall semester of 2024, Collegium Musicum will perform the Fire bird suite (Stravinsky), the ouverture from The Birds (Diepenbrock), Trois Chansons (Ravel), Sous bois (Boulanger) and Schwanensang (Schreker). Will you be joining us?

Open rehearsals

At the start of each semester, Collegium Musicum organises a series of open rehearsals where everyone who’s interested can play or sing along with the orchestra or choir in order to get a feel for what it’s like to be a member of CM. The next open rehearsals will be in September 2024.

Curious? Fill in the form below to stay informed about the open rehearsals and other relevant information. Keep an eye on this page or our social media for more information. If you have any further questions, don’t hesitate to send us an email at [email protected] (orchestra) or [email protected] (choir). See you in September!


As a member of CM, you are expected to attend the weekly rehearsals, which take place on Monday evenings (19:30 – 22:30 for the orchestra, 20:00 – 22:30 for the choir), in Leiden University’s Lipsius building. Additionally, CM offers many social activities, but these are not obligatory.

If you wish to join the orchestra, you will be asked to take part in a short informal audition where we ask you to play a piece of your own choice and an excerpt from a large symphonic work, selected by the conductor. There are no auditions for joining the choir, only a brief voice check to determine which voice group best suits you. Membership fees currently amount to €75 per semester.

Wish to become a member?

Already keen to join Collegium Musicum? That’s great! Come along to one of our open rehearsals at the start of the semester. Here you will be able to sign up to become a member. If you’re already certain that you want to join the orchestra, you can also fill in the audition form directly.

If you wish to join CM without attending an open rehearsal, feel free to email us at [email protected].