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Yes Sounding Out – from the BBC Crown Jewel Series in 1971

Yes Union Concert 1991

Rick Wakeman’s tribute to Keith Emerson

Tarkus – Performed by Rachel Flower at ProgStock 2017

Joni Mitchell – Shadows and Light
1979 Featuring Pat Metheny, Jaco Pastorius, Lyle Mays, Michael Brecker, Don Alias. (Some of the interspersed footage is probably to cover for problem with the camera shots. If you’ve ever shot video at a live, ticketed performance, with multiple cameras, then you know what it’s like sometimes.)

Traffic In Concert August 14, 1994