Morton Feldman Past Performances Summary (10 September 1999 - 14 August 2017)

The total number of concerts listed on the Past Performances page from 10 September 1999 to 14 August 2017 = 1853. Though this listing is certainly not complete, hopefully it is enough for the results below to have some significance.
Which Feldman works are most performed? (Works with 25 or more performances)
 
Rothko Chapel124
The Viola in My Life 2104
Palais de Mari98
Neither90
Triadic Memories89
Crippled Symmetry72
Why Patterns?71
The Viola in My Life 167
String Quartet 262
Samuel Beckett, Words and Music59
For Frank O'Hara57
For Philip Guston57
For Bunita Marcus54
Three Voices51
Madame Press Died Last Week at Ninety46
Patterns in a Chromatic Field45
The King of Denmark44
The Viola in My Life 342
For Samuel Beckett40
I Met Heine on the Rue Fürstenberg38
Piano and String Quartet36
For John Cage29
Instruments 128
Instruments 226
Coptic Light25
De Kooning25
Where is Feldman most performed? (Countries with 25 or more concerts)
 
Germany448
USA393
UK227
Austria99
Switzerland97
Netherlands93
France69
Italy59
Spain55
Belgium50
Canada32
Czech Republic28