Latvian psychedelic videos

I'm seeing, people googles for rare psychedelia. Here it is... The things sieemingly impossible in Moscow still could happen in soviet Latvia. The author of both songs is Imants Kalniņš, a significant latvian composer.
Menuets - Dūdieviņš, 1970:
Menuets — Dziesmiņa mums, 1971:
Via markeyfunk, an Israeli soul/funk/psych dj and musician.