performance

Nate Harrison's 2004 video history of the Amen Break, a six-second drum sample from a 1969 b-side that became the basis of hip-hop sampling, jungle and drum and bass. It is also a meditation on cultural ownership and creativity.

A CBS News (60 Minutes) profile of free solo climber Alex Honnold, who scales sheer rock faces without ropes. Lara Logan reports on his climbing and his apparent lack of fear, including his Half Dome ascent.

A short film of Alex Honnold free soloing El Sendero Luminoso, a 2,500-foot route in El Potrero Chico, Mexico, in a little over three hours with no rope. It was made by The North Face with climbing footage and music.

Archive footage from 1964 of Royal Marine Commando volunteers filmed on a field exercise after taking LSD at Porton Down. It documents a British military drug trial.