...Or is it?
Music:
Music: https://posy.bandcamp.com/
Spotify: https://open.spotify.com/artist/3zkrmBzisZKngkrd6gXLHg
Apple Music: https://music.apple.com/us/artist/posy/1522538629
1st synthesizer: Sytrus (in FL Studio)
2nd synthesizer: Harmor (in FL Studio)
Thanks to DaoWaves for the tutorial on sine wave speech using 'Spraak' :
https://youtu.be/xjEqchILifQ
Speaker in the video (and thumbnail): Tannoy Sensys DC1. Used a long time for reference, not anymore.
Most visualizations were also done with FL Studio's 'Wave Candy' (screen capture).