[krumpet]

"but he's the only person you could find who changed the way people played their instruments"

Louis Armstrong yes. But let's not forget Jimi Hendrix.

[rrherr]

The full quote in context was: "You can name a thousand great instrumentalists or you can name a thousand great vocalists, but he’s the only person you could find who changed the way people played their instruments and the way people sang. Louis does that in a four-year period in the 1920s; by 1930, if you aren’t playing or singing like him, you’re out of work."

[bgm1975]

You forgot (or missed) the rest of the quote:

> …and the way people sang.

As the article stated, many great artists changed one or the other, but only Louis did both.

[krumpet]

That's not how I interpreted it, but it's a fair point.