DDR and Poland:
TANCDAL on Qualiton are Bluebirds, Strangers, and the German Top Five - beat
Lyrik Jazz Prosa are Jazz Optimisten and Manfred Krug 1968 but recorded 1957-1965
Alla Pugatchova, Ensemble Melodia, Gustav Brom on Audio Foire 77, McCoy Tyner and Stan Getz - live in Poland, Gromin-Kusntzov - Jazz Improvisations, and in 2lps Jazz Days lives - Sun Ra, Billy Cobham, Naima, Itchy Fingers, Abercrombie, Magyar Jazz Quartet, Petr Lipa, Smoking band.
Mongolian folk band, 2 Zodiaks, Rapsodia, Pesnyary, Kobza (the last 2 - folk rock)
Georgian Male Folk, early Raymond Pauls and 4 jazz or jazz-rock - Arsenal, Kutzenko - gone, Cadence, Novikov - Kolersnikov - Molotkov- Hristidis,
Novi Singers - Live in Bulgaria c/o Gott -gone, The Bulgarian version of Novi Singers - gone ("Haskovo" - only 150 copies and withdrawn for some copyright reason) , Koukeri according Popsike is great "electro-disco-funk" - I don't like, and the Russian compilation I like- Araks, Eolika, Pugatcheva, Modo, Melodia, Jazz-confort - all good artists.
If you need details - pls write me.