New music of or regarding a trumpet, horn, and many others, without the need of valves or keys, on which only notes in the harmonic number of the keynote could be obtained のぼってみようと思ったのですが、最近はケガの治りも遅いので、大事を取ってスルーしました。 Yes,'non-' (or 'non–', which as @tchrist's respond to lets you know is surely an ingenious and chic https://www.diigo.com/item/pdf/bksie/5w0g