I don't usually like modifications to equipment but that's mostly because I don't like the way it can mess up the aesthetic. There's usually no effort to match knobs or colors or anything like that. Well, here is a nice, practical and (most importantly) nonintrusive modification to give an SH-09 some modular capabilities:
Now, I don't want to become one of those blogs that just constantly reposts auction listings, but if you are interested it is currently for sale:
Roland-SH09-Custom-Modified- Expanded-Vintage-Analog- Synthesizer-SH-09-SH2-SH101-/ 130840394071?pt=UK_Musical_ Instruments_Pro_Audio_ Synthesisers_CV&hash= item1e76b1f957
Thanks Justin for the tip!