Just Hum! That's exactly what Fraunhofer Institut of Germany (the creators of the ubiquitous MP3 digital audio format) would have us do.

It's called "Query by Humming," a type of melody recognition software program on display at this week's Midem music conference in Cannes that identifies a song by title and composer based on a person humming a few bars into a microphone.

Sounds like a cool thing, doesn't it?! Read more here.
[via Metafilter]