High hats

I've quite often written about music and instruments in this blog, but it only struck me today that there's hardly any mention of music in any of the four books I've written. Odd, since I'm a musician as much as a writer. (And so, it turns out, was Robert Louis Stevenson: he wrote over a 100 pieces of music, as well as playing the piano and flageolet - a kind of recorder.)

Anyway, here I am writing about music yet again in this blog. 

High hats, (or hi-hats, or even hihats) are the common...