Tramlines have announced that they have already sold 30% of the tickets for next year's festival.
The organisers made the announcement via Twitter saying they are 'truly overwhelmed' with the news.
It comes just over a week after the city celebrated the 10th year of the music festival.
Next year's event, which will again be held at Hillsborough Park, will take place between Friday July 19 and Sunday July 21.
Tier two weekend tickets are priced at £65.45 including booking fee, with the option to upgrade to VIP for an extra £55.