Registration is open now through 8 a.m. Dec. 3 for the Sisters Folk Festival’s early-bird pass lottery.

The discounted early-bird tickets cost $145 plus fees and are only available through the lottery, according to a press release from the festival organization. Regular passes cost $170 plus fees. Next year’s Sisters Folk Festival will take place at various venues in Sisters from Sept. 6 through 8.

Lottery winners will be randomly selected and notified by 5 p.m. Dec. 3, and will receive a link to purchase up to two early-bird passes. Winners will have until Dec. 31 to purchase the passes. Register for the lottery at eventbrite.com, or visit sistersfolkfestival.org.