The problem with iTunes is how scrubbed the music is. Everything is the same volume, vocals, keys, guitar, bass.
Interesting: I ripped an old Cars LP a year ago. The audio quality was 10x better than anything I downloaded from Itunes. Even with the pops.
There is a HUGE difference.
But, 90% of the Itunes customers don't care.
had the same problem with Badfinger re-released stuff. Sounded OK but not the same quality as the original. Thank God I have the vinyl. Now I just need to find a cheap way to get it to my computer.
In iTunes, you can adjust each song with presets. Right click on the song and click "Get Info" and then click on the "Options" tab. Then under "Equalizer Preset" click on the drop down area and select a preset.
If you want to see what the presets are, go to the menu Window->Equalizer where you can select a preset to see where the controls go, or you can adjust the controls manually.