Think you know something about music? Think you have improvisational skill?

Watch this.

I've posted about Imogen Heap before, but finding this video on YouTube deserves special mention.

If I were teaching a music course at a high school or university, this little video would be required viewing on day one. The sheer artistry involved here, from the vocal melodies throughout to the complete mastery of her equipment, as well as the equally strong performance, is incredible. Toward the end, just take note of how much of a soundscape that exists, created by just that one woman standing in front of a handful of people in a studio.

Brilliant work.