Variations; Double Concerto: Reissue of Columbia MS 7191 (LP, 1968). Recorded in London, England, March, 1967 (Variations) and Jan 4, 1968 (Double Concerto). Original Album Produced by Andrew Kazdin. Engineers: Edward Kramer and Murray Zimney.

Concerto for Orchestra: Recorded 23 April 1992, SWF Hans Rosbaud Studio, Baden-Baden, Germany
Producing Engineer: Wolfgang Wtorczyk
Sound Engineer: Norbert Vossen
Piano Concerto: Recorded 27 April 1992, SWF Hans Rosbaud Studio, Baden-Baden, Germany
Producing Engineer: Helmut Hanusch
Sound Engineer: Norbert Vossen
Three Occasions for Orchestra: Recorded 4 May 1992, Grande Auditório Gulbekian, Lisbon, Portugal
Timings: 3:32 (1); 6:31 (2); 6:57 (3)
Producing Engineer: Helmut Hanusch
Sound Engineer: Madeira Neves, (Radio Portugal)

Notes by Stefan Lipka

Reissue of New World NW 347-2 (LP and CD, 1986)
Variations recorded Oct 22, 1985, Music Hall, Cincinnati, OH (at a live performance)
Piano Concerto recorded Oct 5-6, 1984, Music Hall, Cincinnati, OH (at a live performance)

Issued in the U.K. as R.C.A. SB 6756 (stereo lp)
Recorded in performance Jan 7-8, 1967, Symphony Hall, Boston, MA
Timing: 26:07
Producer: Howard Scott
Recording Engineer: Bernard Keville
Notes by Michael Steinberg