Singers and pianists don't need to arrive on 20.3. (one day before the beginning of the competition) but on the day of their presentation in the 1t Round. It is therefore very important to confirm your arrival and being in the place of the competition min. 1 hour before your turn.
Every day from 9:00-10:30 (for the first 12 singers) and from 13:00-14:30 (for the next 12) it is possible to have a "sound check" in the Hall of the Philharmonic.
An extra rehearsal room will be also available during the time of the competition.