Cambio caught up with Eli and Nicholas and they told us all about which acts they were most excited to see and what the band has in store for the future.
Plus, we find out which band member is most unpredictable and which one always finds himself in extremely "entertaining" situations.
If you haven't already checked it out, we're live streaming the whole festival here on Cambio.com.
Today's lineup includes: Macklemore and Ryan Lewis, Delta Rae, Kacey Musgraves, Kendrick Lamar, Wild Nothing and a whole lot more!
All the action kicks off at 3:30 p.m. ET...and today is the last day, so you definitely don't wanna miss out!
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Gallery | Bonnaroo 2013: Behind the Scenes