By Ray Rahman
Updated September 13, 2013 at 07:25 PM EDT
Frank Hoensch/Getty Images

Some nights, you get to watch one of the country’s biggest rock bands for free — like tonight!

The band fun. is taping their appearance for Austin City Limits tonight, and the performance will go live tomorrow. But why wait until then? ACL’s YouTube will be streaming the entire thing live at 9pm ET tonight, letting you peak into the “We Are Young” band’s magic.

The llink below doesn’t look like much now, but come back later tonight and it’ll transform into a fun. lil’ concert right before your eyes: