Basso profundo. — Los Angeles, CA : Vivace, 2009.

Album description
1 audio disc : digital ; 12 cm.
For double bass and viola (1st work); for solo amplified bass, four string quartets, and tutti bass (2nd work); for double bass and cello (3rd work); for violin, cello, double bass, and piano (5th work); for 2 double basses (6th work); for electric and acoustic guitars, double bass, and percussion (7th work).
"In this performance [of Sensitivo] ... an off-stage viola part was improvised"--Insert.
Buell Neidlinger, Ed Meares, Donald Palma, double basses ; Ida Kavafian, violin ; Peter Serkin, piano ; Fred Sherry, cello ; Stanley Silverman, guitar ; Jan Williams, John Bergamo, percussion.
Recorded Albright Knox Gallery, Buffalo, New York, April 24, 1964 (1st, 6th works); CalArts, November 19, 1976 (2nd work); Vanguard Studios, Manhattan, August 28, 1975 (3rd, 5th works).
Program notes by Buell Neidlinger in English ([4] pages : portraits), inserted in container; biographical note printed on inside of the container.
Contents: Sensitivo : 1959 : no. 7 dai 7 fogli : versione per contrabass, for Buell Neidlinger / Sylvano Bussotti (5:16) -- Bass concerto : Chamber music 4 / Leonard Rosenman (15:31) -- Hymn / Robert Ceely (5:58) -- Morsima-amorsima / Iannis Xenakis (13:57) -- Logs / Robert Ceely (4:10) -- Sonant (1960) / Mauricio Kagel (10:44).

I. Bussotti, Sylvano, 1931-. Fogli. Sensitivo
II. Rosenman, Leonard. Chamber music, no. 4
III. Ceely, Robert, 1930-2015. Hymn
IV. Xenakis, Iannis, 1922-2001. Morsima-amorsima
V. Ceely, Robert, 1930-2015. Logs
VI. Kagel, Mauricio, 1931-2008. Sonant (1960/--)