AUSTIN -- The Austin City Limits Festival will officially expand to two weekends next year.
Mayor Lee Leffingwell will finalized the agreement to add a second weekend in 2013 Wednesday afternoon.
Next year the three-day festival will take place at Zilker Park on Oct. 4-6, then again on Oct. 11-13.
Organizers say the lineup will stay mostly the same, but music lovers can expect a few surprises sprinkled in.
This year's ACL Festival will be held at Zilker Park Oct. 12-14.