JOHN CAGE, SUN RA - JOHN CAGE MEETS SUN RA

•  john cage, sun ra: john cage meets sun ra
      (2019, 7" + dvd, usa, modern harmonic mh-119)

Audio of this 1986 collaboration can be found on various media : a vinyl album, both as single and as double album, a cd and a 7" have been released, documenting the encounter.
More recently, as part of the 2019 record store day, Modern Harmonic re-released their 7" but this time with an added DVD that presents the entire footage.

Nice extras as well.