Tantic Buddha / Tarot cards / OZ magazine no.4, June 1967
Something incredibly beautiful starts at around 7’03”… Marcello - Requiem in the Venetian Manner
Variophone - a Russian invention, somewhat similar to the ANS, which made 1930s chiptunes.
The Theomonistic Spirit Alphabet of spirit medium Mrs. H. P. Holler, which were apparently channelled using a ‘wondergraph’ (ca. 1916) [Source: IAPSOP SSOC (PDF)]
Brilliant selections here… and Hesperion XXI have the coolest looking percussionist in early music!