what are the "must have" CD's


For years, I've invested in quality sound equipment and have a small collection of CD's of different types.....but I realize that there are problaby some "must have" CD's that really show just how good (or bad) a system really is. This isn't a quest for who your favorite female singer is...or what orchestra you like the best....I'm really after sonic quality and sonic range (gotta show off the sub and boomy rock probably isn't the best way to do it).

I'm open to suggestions in most any musical category...the only qualification is that the CD has to be readily available and not some collector's item.

If there is already a list somewhere..please point me to it....or post your suggestions.
ghstudio
I second the Hippo. The Dutoit Planets is also a good one for the sub as well as the Telarc Firebird.
Get "Amused to Death" (R. Waters) for that funky QSound imaging. Get the dog barking outside the window, and the sleigh coming right across the complete width of the room. Although the imaging effects are artificial in some respects, the better systems make the whole thing cinemascopic.

"Spyboy" (E. Harris) for the huge drum solo on "The Maker" - this will test your low frequency transient response. Great album too.

Regards,
The one cd I use for demos is, Thom Rotella Band, also the name of the cd. Track 3, "Naima" is awesome-if your system can play this loud, you'll be blown away. I just checked, it's available on Amazon. This is on the DMP label, CD-460.
Alan
the rolling stones-england's newest hitmakers....kicks you in the balls anytime you begin to think that 'spending on equipment' can make a primitive recording sound not so primitive.