I am part of an ambient duo called YEARNS. We have just released an EP of hazy ambient tracks with a corresponding stereogram booklet (remember magic eye puzzles?).
90% of my parts were made using Buzz (with a load of free VSTs). The other member used circuit bent Casio SKs for his parts.
https://yearns.bandcamp.com/album/yearns-2
https://www.falsepeakrecords.com/yearns