The performance took place at Echoplex in Los Angeles last night (November 13)
The two acts were playing on neighbouring stages at Austin's Fun Fun Fun Fest
El-P and Killer Mike joined by Beyonce producer Boots for TV performance
'RTJ2' was originally intended for release on Monday (October 27)
The cat based version of 'Run The Jewels 2' recently met its Kickstarter target
'Meow The Jewels' – a cat sounds based version of 'Run The Jewels 2' – will now be made
Killer Mike says he understands NWA's angst on a "different level"
'Close Your Eyes (And Count To Fuck)' is on 'Run The Jewels 2'
'Meow The Jewels' will be recorded if fans raise enough money online