Last week, we told you about the first round of acts set to play this year's Wakarusa Music Festival, which takes place at Mulberry Mountain near Ozark, Arkansas between June 4 and 7. Today, Wakarusa organizers have revealed the second round of acts.

Ben Harper & Innocent Criminals, Slightly Stoopid, Chance The Rapper, Portugal. The Man, Big Gigantic, Joe Russo's Almost Dead and Matisyahu are among the acts added to Wakarusa today. Additional Wakarusa '15 acts revealed this afternoon include The Floozies, Glass Animals, Boombox, Dilated Peoples, The Growers and Givers. The Roots, STS9, Rebelution, Galactic, Ozomatli and Conspirator headed up last week's announcement. Look for the third and final round of the initial lineup to drop next Wednesday, January 21.

Tickets for Wakarusa are currently onsale via the event's website.

While the Round Two lineup officially drops at 12 p.m. CT, a post on Instagram reveals nearly all the acts added today:

In case you missed it, here's last week's Round One: