In going through my old computer, I found a series of videos of Kevin working on an Arp 2600. Most likely late 2012, from the file names.
Sounds
Sounds of all sorts
Found this in Kevin’s “work” folder:
Open High-Hat decay extension
![TR 808 OH decay mod](https://synthfool.com/kevin/wp-content/uploads/2016/01/OH-decay-mod-300x211.jpg)
TR 808 OH decay mod