From AMagicWhistle on YouTube, via matrixsynth:
Kitten, DIY analog synthesizer, and spring reverb.
Here is another featuring the kitten:
and one featuring just the synthesizer:
“10 Step sequencer, seven audio oscillators, filter, LFO, blinky lights”
From AMagicWhistle on YouTube, via matrixsynth:
Kitten, DIY analog synthesizer, and spring reverb.
Here is another featuring the kitten:
and one featuring just the synthesizer:
“10 Step sequencer, seven audio oscillators, filter, LFO, blinky lights”
Submitted by Bethany Kxfjghkfhg (aka dj skirt) via facebook:

The Gakken SX-150 is a DIY analog synthesizer kit.
You can hear more of Bethany’s music via myspace or soundcloud.
From oliverchesler on flickr:

In addition to Zoe the cat, there is a Voice of Saturn, Korg KR-55 and Boss DR-110 rhythm machines, a Roland SH3 and a Yamaha CS5, among others.
Oliver Chesler is also the author of the blog wire to the ear which we at CatSynth follow.
From Retribution Body on flickr, via matrixsynth:

“I’m very happy with the new rig. It’s very West Coast Serge / Buchla compared to the ARP, it’s a very different beast. I’m looking forward to doing some serious recording with it.”

“Once again, Ernie is very helpful.”
You can see more on the associated flickr set.
From tubbypaws on YouTube, via matrixsynth:
From the video description:
This is the happy papercraft keyboard cat assembly instruction video. please watch the happy video for instructions and things to see and do and scary, please don’t blink.
(warning this video contains flashing imagery)
you can find the papercraft pattern here-
http://tubbypaws.blogspot.com/2009/08/meow-again-its-time-for-papercraft.htmlplease enjoy ^-^
papercraft, artwork, animation, music and photography by tubbypaws”

I’m going to try this out…or more specifically, at it to the queue of still-uncompleted DIY projects…
From ggijs on YouTube, via matrixsynth
There is also a video of the “Hard Soft Synth v2” from http://gieskes.nl/.
If you need switches or other molded electronic parts for your next circuit-bending or DIY synth project, you might consider this company out of Hong Kong and southern China:
http://www.fhhk.com/eng/info.html
You just can't make this stuff up 😉