21:0015 Minute DramaPicnic at Hanging RockOmnibusBBC Radio 4 Duration: 58 minutes Fri 17th Sep 2010, 21:00 on BBC Radio 4 FMDramatisation of Joan Lindsay's classic mystery novel. Show more GenresDramaClassic & PeriodBrand15 Minute DramaSeries15 Minute Drama: Picnic at Hanging Rock Source: BBC Online