Mozart Piano Concertos 20 & 21

I really like the RR-68CD Eugene Istomin on the Piano with Gerard Schwartz Conducting the Seattle Symphony Orchestra its a great performance and great sonics as well. This is unfortuneatly 21 and 24 but the 21 is amazing the first movement is one of my favorite piano concertos.

Mitsuko Uchida on Philips. And her recordings of Mozart's Piano Sonatas are pure heaven.

Clifford Curzon for #20...Conductor is composer Benjamin Britten..
I've listened to most all of them, and it is my hands down favorite.
Under Britten's baton, the orchestra playing is equal to Curzon's sensitive piano playing.
Many times orchestra playing is an after-thought. The orchestra and soloist really perform together here; unlike many recordings where is sounds like they are just taking turns playing.

Get the budget 2-CD set that has 20, 23, 24, 26 & 27. They are all excellent, especially #20 and #27...

If you want a second opinion on these recordings, read this.

http://www.bostonphoenix.com/boston/music/otr/documents/02211015.htm

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I've always liked the Perahia recordings on Sony/CBS.