David Munrow Chinese flute and zither from 'Ancestral Voices'

David Munrow playing a Chinese flute with zither from 'Ancestral Voices' in a short clip from the BBC2 TV 5-part series 'Ancestral Voices', shown in 1976, shortly before Munrow took his own life. In a break from playing early and folk instruments, they show their skill on cornet, soprano saxophone and banjo.
Munrow makes a case for the missing link between folk music and pre-classical music. This is from the 'Zithers' episode.
In it Munrow propounded the theory that early music must have had the passion and vibrancy of folk music, played today by indigenous peoples. It was recorded at a time Munrow was manically overworked and the strain sometimes shows.
This video is from a researcher's copy and is not to be copied or redistributed.

[@xiangkunliu2005]

The "flute" is a modified Japanese hitoyogiri (一節切, ひとよぎり), not Chinese.

[@b.g.9257]

Well, it was probably very hard to come by an original chinese flute, in 1976 Britain, while Mao was still alive and China was in 'Cultural Revolution' .
I hazard a guess, that exporting musical instruments was not a very highly prioritized topic on the country's agenda, back then.
¯\_(ツ)_/¯