Once I create a mix in iTunes, then burn it to a CD, the volume levels are too low. The end result that I desire is to be able to load my iTunes-burned CD onto a 5-disc CD player and have the iTunes music play at a comparable level to the sound from the commercially-produced CDs. But it is consistently 30-50% "quieter" by comparison. I know about Sound Check within iTunes, which equalizes all to a uniform level (I leave it "off"). I've also boosted the "volume adjustment" within the options box for each track. That only boosts sound when the song is played on your computer, but not when the tracks are burned to a CD. Anyone have a solution? Couldn't the Apple engineers create such a "sound boost" feature into the burning process?