[ryandrake]

I think the giveaway was when he isolated the chord and played it for people everyone noticed, but when it's just part of a song, the non-musicians don't notice. Not everyone listens to music the same way, and it seems Mr. Beato listens for and appreciates things like key, meter, chord progressions, and so on, and it instantly sticks out when something is wrong. But maybe his "layman" family just vibe along and the only thoughts in their head are "well music is playing and I like/recognize this song." That's as deep as most people appreciate music.