Norah Jones is often mentioned as having good recordings. Or maybe just being a good performer?   This is Stuck, from 'The Fall'.   This is the same track from the SACD   And here's a track from Kyary Pamyu Pamyu, Otona na Kododomo

I cannot tell the difference between 320 and flac or other lossless formats, so I think the author is wrong about that part. But the rest of what he says I pretty much agree with.

No, left + to the tip, - to ground.

Here's an article from the register, affirming that 16bit is enough, and a few other things.   http://www.theregister.co.uk/2014/05/13/apple_beats_and_fools_with_money   "Even worse is that in the hi-fi world, that vacuum is filled by pseudoscience, dogma and fruitloopery to the extent that...