August 20, 1941 Milford Graves // NMA82 Radio - Percy Grainger Centennial Special
Radio program (not live) by Charles Amirkhanian presenting a slide show (which for the most part he describes well) on the exact date of Grainger's centenary.
NMA Birthday: Milford Graves 1941
https://en.wikipedia.org/wiki/Milford_Graves
My largest gap of knowledge also happens to be the New Music America festival that celebrates its fortieth anniversary this year: NMA Washington DC 1983. Consequently, all I have for information is that Milford Graves played a duo set with Toshi Tsuchitori at the National Building Museum on October 16. Luckily, there exists a few videos of their playing together ten years later: