Remember when the first three chords told you what artist you were listening too? That time when you could almost guess an artist's label just by how they sounded? Those days are long gone, you say. But are they?

Unless an artist rose to stardom in the last century, chances are you cannot determine whom the artist is unless you already know the song. Everybody sound pretty much the same thanks to DRC, quantization, Auto-Tune pitch corrections and other snazzy toys. At times it's even...