Fleetwood Mac "Dreams" for the cymbal attacks and decays, and the hi-hat 8th note work.
Osamu Kitajima "Golden Mean" off the Masterless Samurai album for soundstage and high-frequencies (bells).
"Aja" for the incredible balancing act between the electric piano and Steve Gadd’s drum kit.
Andreas Vollenweider’s "Caverna Magica" album for the sonic landscapes
Dire Straits "In the Gallery" -- if your system is set up well, you’ll know it.
Eva Cassidy’s cover of "Songbird", for the voice, for the guitar, and the excellent production values.