Opera Integrale da Camera (chamber music) Mariana Sirbu, Ruxandra Colan, Mihai Dancila, strings Mihail Sarbu, John Buttrick, pianos Quartetto Academica (Bucharest) Quintetto in fa minore per pianoforte ed archi Published 1980, 5 LPs.
(unpublished) Mozart, Schumann, Debussy, Beethoven
Wolfgang Amadeus Mozart - Sonata in B-flat major, K. 454 Robert Schumann - Sonata in A minor, Op. 105 Claude Debussy - Sonata in G major (1917) Ludwig van Beethoven - Sonata in C minor, Op. 30, No. 2 Roman Totenberg, violin John Buttrick, piano Boston University Concert Hall, October 7, 1976, B.U. Music Library, 2 reels tape.
(unpublished) Mozart, Ravel, Debussy, Beethoven
Wolfgang Amadeus Mozart - Sonata in B-flat, K. 454 Maurice Ravel - Sonate posthume pour piano et violon Claude Debussy - Sonata Ludwig van Beethoven - Sonata in G major, Op. 96 Roman Totenberg, violin John Buttrick, piano Boston University Concert Hall, December 4, 1975, B.U. Music Library, 3 reels tape.
Concerto #10 in E-flat for Two Pianos and Orchestra, K. 365 MIT Symphony Orchestra John Buttrick, Robert Freeman, pianos Carnegie Hall, New York, April 17, 1969, MIT Music Library CD mp4 (tape glitch about 22:40) – I. Allegro, II. Andante 10:04, III. Rondo-Allegro 17:48 Kresge Auditorium, MIT, May 10, 1969, MIT Music Library CD mp4 – I. Allegro, II. Andante 10:12, III. Rondo-Allegro 18:29
Fredric Chopin – Six Mazurkas Arnold Schoenberg – Six little piano pieces, Op. 19 Ludwig van Beethoven – Six bagatelles, Op 126 Franz Schubert – Sonata in B flat major University of Washington (Seattle) Music Auditorium, January 7, 1966, 3 reels tape.
Note: Jecklin (JD) published the Max Reger Intermezzi in two versions, an LP with catalogue number JD 601 and a CD with catalogue number JD 601-2. There may be an LP for the other JDs as well.