Tracklist

Première Sonate Pour Piano
1	I. Lent	4:28
2	II. Assez Large, Rapide	4:22
Deuxième Sonate Pour Piano
3	I. Extrêmement Rapide	5:42
4	II. Lent	10:23
5	III. Modéré, Presque Vif	2:08
6	IV. Vif	9:34
Troisième Sonate Pour Piano
7	Formant 3 - Constellation-Miroir - Points 1 - Blocs I - Points 2 - Blocs II - Points 3	11:30
8	Formant 2 - Tropes- Textes - Paranthèse - Glose - Commentaire	9:34

Companies, etc.

• Phonographic Copyright (p) – Auvidis
• Phonographic Copyright (p) – Naïve
• Copyright (c) – Auvidis
• Copyright (c) – Naïve
• Made By – MPO
• Distributed By – Naïve
• Recorded At – Théâtre de Vevey

Credits

• Composed By – Pierre Boulez
• Liner Notes – Dominique Jameux
• Liner Notes [Translated By] – Frank Dobbins
• Liner Notes [Übersetzung] – Dorothea Preiss
• Photography By [Photo: Pierre Boulez] – Thierry Martinot
• Piano [Steinway] – Claude Helffer
• Producer [Production] – Michel Bernstein

Notes

Première Sonate Pour Piano
Deuxième Sonate Pour Piano
Troisième Sonate Pour Piano (1957-58)

Enregistrement réalisé en juillet 1980 au Théâtre Municipal de Vevey [Recorded on July 1980 at the Théâtre Municipal de Vevey]
Photo: Pierre Boulez © Thierry Martinot
Total timing 55:20
Made in France
℗ 1986 © 2000 Auvidis/Naïve

Note: The booklet says Helffer plays "Constellation-Miroir" but this is wrong. Helffer plays 'Constellation'. There is also an omission of 'Melange' on the text but it is included in the recording.
Packaging: gatefold cardboard sleeve with 16 page booklet including French, English and German liner notes

Barcode and Other Identifiers

• Barcode: 3 298497 821209
• Rights Society: SACEM
• Label Code: LC-7496
• Mould SID Code: IFPI 1218
• Matrix / Runout: E 7716 MPO 01 @@@ 9
• Other (SPARS code): AAD
• Other (Distribution code): AD 061

Other versions

Category	Artist	Title (Format)	Label	Category	Country	Year
AS 60	Pierre Boulez, Claude Helffer	Pierre Boulez, Claude Helffer - Trois Sonates Pour Piano ‎(LP, Album)	Astrée	AS 60	France	1981
E 7716	Pierre Boulez, Claude Helffer	Pierre Boulez, Claude Helffer - Trois Sonates Pour Piano ‎(CD, Album)	Astrée Auvidis	E 7716	France	1986