Uploaded April 2025 | Updated September 2026, 2 weeks ago
Here is a demonstration of the sustain function and the reverb simulation function of the Casio Casiotone 405 instrument.
Yeah, that theme you're hearing? I wrote it in realtime using timbres from this instrument over beats I assembled out of GarageBand loops.
This video was funded by the Patreon supporters of Automatic Gainsay. Support the creation of this video and all of the Automatic Gainsay videos that have helped you by becoming an Automatic Gainsay supporter on Patreon!
patreon.com/automaticgainsay
If you are interested in learning about the history of synthesizers and/or how to become a synthesist being taught by a synthesist and synthesizer historian, check out the OTHER Automatic Gainsay Patreon:
patreon.com/automaticgainsaythewavewrights
Here is a demonstration of the sustain function and the reverb simulation function of the Casio Casiotone 405 instrument.
Yeah, that theme you're hearing? I wrote it in realtime using timbres from this instrument over beats I assembled out of GarageBand loops.
This video was funded by the Patreon supporters of Automatic Gainsay. Support the creation of this video and all of the Automatic Gainsay videos that have helped you by becoming an Automatic Gainsay supporter on Patreon!
patreon.com/automaticgainsay
If you are interested in learning about the history of synthesizers and/or how to become a synthesist being taught by a synthesist and synthesizer historian, check out the OTHER Automatic Gainsay Patreon:
patreon.com/automaticgainsaythewavewrights










