flute 1 - 2 not condensing

Does someone have any idea why these flutes are not condensing? See attachment. Thanks in advance!


When I delete first 4 bars in flute 2, then condensing works fine…

The same with this trombone 1 - 2 passage.

trombone ok…

Hello GeertD. It is difficult to know without seeing the project itself. Take a look at the sticky post to see how to post a project in the forum for us to help.