Tomorrowland will be making its return to Boom, Belgium July 24th to July 26. They have also unveiled the first artist via a promotional video posted on their Facebook page. The organizers have booked the National Orchestra of Belgium who will be performing under the moniker Symphony of Unity. According to a tweet by Tomorrowland, the symphony will "curate a unique atmosphere at the Opera on Sunday." Global Journey Tickets are available starting today, and WorldWide Tickets go on sale Feburary 7th. Head to Tomorrowland's website for more information and watch the artist annoucement video below.