via Ministry of Type
“I’ve never seen one of these before, and I’ve never even heard of such a thing. A typewriter for music! I must admit it does seem like an obvious idea, but I’d had in mind the scene of a composer in some drafty garret, gripped by an urgent muse, scratching out notes on parchment with a tattered quill by feeble candlelight. Or is that just poets?…”
More on it here.