Recent Broadcast by SWR2 (https://www.swr.de/swr2/musik-klassik/musikstueck-der-woche/dover-quartet-spielt-lyric-string-quartets-musical-portraits-of-three-friends-von-william-grant-still-swr2-musikstueck-100.html). (They're scheduled to perform three quartet works where I am this evening...)