If you have applied by mistake, you can withdraw your application via Muvac within two hours following your submission. Go to Applications and click on the opportunity, and click "Withdraw" within the remaining time shown to cancel your application.
Please note that your application is binding. Once the two hours have passed, only the institutions will be able to cancel it. If you wish to withdraw your application, please contact the office of the institution, you will find their contact information in the opportunity data.
Please keep in mind that if you keep your application, you are invited and you do not attend the audition without notice, it could be possible that the institution will not invite you to future auditions.