Vivat RexEpisode 4: The Black PrinceBBC Radio 4 Extra Duration: 1 hourFirst broadcast: Thu 3rd May 2012, 10:00 on BBC Radio 4 ExtraLatest broadcast: Fri 4th May 2012, 03:00 on BBC Radio 4 ExtraRichard Burton narrates the playwrights' chronicle of the English Crown. War between England and France. Stars Michael Redgrave.GenresDramaHistoricalSeriesVivat Rex Source: BBC Online