Here are some "Official DR values" for a semi-random sampling of stuff on my hard drive. Sorted by DR num, then by artist.
What does it actually mean?
EXTRA BONUS TRACKS!
My Bloody Valentine - When You Sleep - DR10
My Bloody Valentine - Come In Alone - DR11
Iggy Pop - China Girl - DR9
Iggy Pop - Lust For Life (song) - DR10
Iggy Pop - Funtime - DR8
Hole - Celebrity Skin (cd) - DR7
Elastica - Elastica (cd) - DR7