At South by Southwest Music you can hear everything from metal and rock to hip hop and electronic music.
Dozens of genres – but for the most part, they all have one very basic thing in common.
If you’re a musician, it might sound familiar to you:
The musical note A, above middle C, equals 440 hertz.
It’s the basis of virtually every piece of music you’ll hear today. And probably every piece of music you have ever heard, with a few exceptions.
It’s called reference pitch or concert pitch. It’s the note that every other note is based on.
Take a listen:
Every instrument in Western music – more or less – is tuned to this standard.