Ron Howard's film will be broadcast in full on US network Showtime in October
'Holy Grail' is the first video by a major artist to premiere on Facebook
The film looks at the rapper's now annual festival in Philadelphia
Hova helped out-of-touch rocker understand rap music...
'Magna Carta Holy Grail' rapper seen with his Roc-A-Fella Records co-founder
Reports actress disrupted filming on 'Picasso Baby' video are refuted
Video debuted on US TV channel HBO last night (August 2)...
Film documenting Jay Z's epic six-hour performance at New York gallery is to premiere on HBO next week
'He had no intentions of robbing anyone's home' said the rapper of the late teenager
The rapper responds to criticism of his multi-million dollar 'Magna Carta Holy Grail' deal