Lucinda Williams, Conor Oberst & The Mystic Valley Band, The Avett Brothers, Bat for Lashes and Los Campensinos! have been added to the bill for the second Outside Lands Music & Arts Festival set for August 28-30 in San Francisco’s historic Golden Gate Park.

The previously announced headline acts for the three-day event are Pearl Jam, Dave Matthews Band and Beastie Boys. Also on the bill are Incubus, M.I.A., Thievery Corporation, Jason Mraz, Ween, The Mars Volta, Black-Eyed Peas, Tom Jones, TV on the Radio, Mastodon and Built to Spill, among many others.

A number of Bay Area artists have also been added, including Tea Leaf Green, Zion I, Big Light, Darondo with Nino Moschella and Groundation.

Tickets for the general public went on sale April 19, preceded by the festival’s presale for Visa cardholders on April 15-18. In a partnership with the San Francisco Recreation and Park Department, the festival is produced by Another Planet Entertainment, Superfly Productions and Starr Hill Presents.