Preparations for the National selection for the Junior Eurovision Song Contest are underway. A technical rehearsal for the finalists was held in a 600 meters studio of Belteleradiocompany. A professional team of sound engineers works with them. Their task is to tune the sound individually for each participant. The ten finalists can now look forward to the rehearsal with cameras and a mobile TV station. The dress rehearsal will take place tomorrow a few hours before the broadcast at 22:00 on the "Belarus 1" and the "Belarus 24" TV channels.