Open’er Festival is one of the biggest Polish music festivals but the 2020 edition has been cancelled due to the coronavirus pandemic. Martin Garrix was supposed to perform in it so fans have been anxious to see whether he will still come to the 2021 edition of the festival. Just now it was announced that Martin Garrix will still perform on Friday, 2 July 2021. The Open’er festival took place on 30 June -3 July 2021 at Gdynia, Poland. For more information you can visit Festival Open’er Festival instagram or the website.