The amount of things that I know that I don't know is really, really big. But it doesn't approach the number of things I don't know that...

As a fun little start to this follow-up post, I was able to find the catalogue where this model of timpani first appear - they're...

Sitting in a cold and dark storage room, Amanda Grigg found two Sonor hand-tuned timpani from the 1930s in dire conditions when she took...