Automatic music identification - as simple as youtube

Forget Shazam. Youtube can instantly identify most tango music tracks, orchestra, vocalist, everything, at least as long as you have full track, beginning to end.

Upload you own video with the selected soundtrack, and Youtube will do its job in a peculiarly unwelcoming way: as soon as it's processed, you'll see a warning in your upload manager, "Matched 3rd party content". Click on the warning and see who claims to own your track and how they call it.

How much effort would it take me to identify a lesser-known Biagi vals?

"Rodolfo Biagi-Dejame amarte aunque sea un dia", sound recording administered by:

WMG

Mysteries of frequency analysis

( by the way of Bastwood blog and still reeling from my Fourier Transform tango track analysis fiasco)

Some tracks turn out to hide audio images :O and I doubt if any humans are capable of seeing or otherwise perceiving them. They are clearly visible with spectrum analysis though:


... and even this tune, a closing track from an album entitled Songs about My Cats: