Cool experiment. I suspect your version would be far more permissive in matching than Shazam, which makes sense for your test case. Shazam's fingerprints are a

Cool experiment. I suspect your version would be far more permissive in matching than Shazam, which makes sense for your test case. Shazam's fingerprints are a lot more specific, e.g. they would differentiate different mixes of the same recording, potentially even different masters.