Had my brother buy some songs from itunes. Some were available from several different compilations, supposedly same song (same audio clip played in each).
Songs weren’t always the SAME song/version I was expecting (in the preview).
Also, the volume on each was not standardized (some much lounder than others, some didn’t even have great compression).
It isn’t a better mousetrap. It’s just another way to sell Sgt. Pepper’s one more time.
You are correct about the uneven sound quality. As i listen to the tracks on my ipod through my car’s stereo system, I can hear the difference between the hundreds of songs I downloaded from my own personal library and the few that I purchased with a gift card that one of my students gave me.
The ones i did myself were better! ;-)