Incident took place at a gig in Oakland on Friday
The producer will debut the film later this month<br />
The producer will debut his first film at the festival next month
'Lots of rappers genuinely think they doing us favors by f**kin w us,' the producer tweets
Producer was joined on bill at London gig by Thundercat, Jay Elecronica, Kutmah, Lapalux and Shabazz Palaces
Rapper will be replaced by Jay Electronica at Brixton Academy tonight
The electronic musician hopes to work with director Kahlil Joseph
Animated video was directed by David Firth