| recordings |
|---|
| 1933-05-23 | Prelude no. 21 in B-flat major, BWV 866 | | Edwin Fischer | 1:25 |
| 1934-05-23 | The Well-Tempered Clavier, Book I: Prelude no. 21 in B-flat major, BWV 866 | | Edwin Fischer | 1:01 |
| 1951-02 | The Well-Tempered Clavier, Book I: Prelude XXI in B-flat | | Wanda Landowska | 1:29 |
| 1952-12 – 1953-05 | The Well-Tempered Clavier, Book 1: Prelude no. 21 in B-flat major, BWV 866 | | Rosalyn Tureck | 1:14 |
| 1959-08 | The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in B flat major BWV 866 | | Ralph Kirkpatrick | 1:34 |
| 1959 – 1961 | The Well-Tempered Clavier Book I: Prelude in B-flat major | | Samuil Feinberg | 1:11 |
| 1961-01 | Book I: Prelude No. 21 in B-flat major, BWV 866 | | Helmut Walcha | 1:12 |
| 1965-02-23 – 1965-03-05 | Prelude and Fugue no. 21 in B-flat major, BWV 866: I. Praeludium | | Glenn Gould | 1:10 |
| 1969-04-20 – 1969-04-21 | The Well-Tempered Clavier, Book I: Prelude no. 21 in B-flat major | | Sviatoslav Richter | 1:00 |
| 1970-07-21 – 1970-07-31 | The Well-Tempered Clavier, Book 1 - No. 21 in B-flat, BWV 866 - Prelude | | Sviatoslav Richter | 1:06 |
| 1971 | Prelude & Fugue no. 21 in B flat major, BWV 866: Prelude | | Zuzana Růžičková | 1:30 |
| 1972-04 | The Well-Tempered Clavier, Book I: Prelude No. 21 in B-flat major, BWV 866 | | Friedrich Gulda | 1:11 |
| 1972-05-22 – 1972-10-26 | 第1巻 前奏曲とフーガ 変ロ長調 BWV 866 前奏曲21 | | Takahiro Sonoda | 1:10 |
| 1976-04-20 | Prelude no. 21 in B-flat major, BWV 866 | | Rosalyn Tureck | 1:12 |
| 1976-05 | The Well-Tempered Clavier Book I - No. 21 in B flat major BWV 866 - 1. Praelu... | | Wilhelm Kempff | 1:24 |
| 1979 – 1980 | Prelude and Fugue no. 21 in B-flat major: Prelude | | Mieczysław Horszowski | 1:20 |
| 1980-04 | Prélude No. 21 en Si bémol majeur, BWV 866 | | Scott Ross | 1:23 |
| 1982-04 | BWV 866 B-flat major -- Prelude | | Ton Koopman | 1:31 |
| 1982-11-30 – 1983-02-18 | Prélude et Fugue en si bémol majeur BWV 866: I. Prélude | | André Volkonsky | 1:29 |
| 1987-02 | Das wohltemperierte Klavier, Buch I: Präludium No. 21 B-dur, BWV 866 | | Keith Jarrett | 1:22 |
| 1987-03-07 | The Well-Tempered Clavier, Book I: Prelude in B-flat major, BWV 866 | live | Keith Jarrett | 1:19 |
| 1988-08-26 – 1988-08-31 | Prelude and Fugue No. 21 in B-flat major, BWV 866: I. Prelude | | Colin Tilney | 1:36 |
| 1989 – 1990 | The Well-Tempered Clavier, Book I: Prelude No. 21 in B-flat major, BWV 866 | | Bob van Asperen | 1:18 |
| 1990-06 | The Well-Tempered Clavier, Book I: Prelude No. 21 in B-flat major, BWV 866 | | Edward Aldwell | 1:14 |
| 1992-10-03 – 1992-10-09 | Das Wohltemperierte Klavier I: Praeludium und Fuge in B-flat major, BWV 866: Praeludium 21 | | Huguette Dreyfus | 1:24 |
| 1992-12-09 – 1992-12-16 | Das wohltemperierte Klavier, I. Teil: Nr. 21-1. Präludium B-dur, BWV 866 | | Vladimir Feltsman | 1:21 |
| 1993-05 | Praeludium XXI, BWV 866 | | Blandine Verlet | 1:18 |
| 1996-05 | Praeludium und Fuge B-dur, BWV 866: Praeludium | | Masaaki Suzuki | 1:25 |
| 1997-12-17 – 1997-12-19 | The Well-Tempered Clavier, Book 1: No. 21 in B-flat major, BWV 866: Prelude | | Angela Hewitt | 1:21 |
| 1998 – 1999 | Prélude XXI en si♭ majeur, BWV 866 | | Frédéric Desenclos | 1:21 |
| 1998 – 1999 | The Well-Tempered Clavier I BWV 846-869: Praeludium B flat major BWV 866 | | Evgeni Koroliov | 1:29 |
| 1999 | Prelude and Fugue No. 21 in B-flat major, BWV 866: I. Præludium | | Léon Berben | 1:29 |
| 2000-01 | Präludium & Fuga No. 21 B-Dur, BWV 866: I. Präludium | | Robert Levin | 1:13 |
| 2000-08-09 – 2000-08-13 | The Well-Tempered Clavier, Book I: Prelude XXI in B-flat | | Gary Cooper | 1:15 |
| 2001 – 2002 | Prélude no. 21 en Si bémol majeur, BWV 866 | | Pierre Hantaï | 1:12 |
| 2002-09 | Präludium XXI in B-Dur, BWV 866 | | Till Fellner | 1:06 |
| 2002-11 | Prelude No. 21 in B flat major, BWV 866 | | Olli Mustonen | 1:13 |
| 2003-07-15 – 2003-07-16 | Prelude no. 21 in B-flat major, BWV 866 | | Daniel-Ben Pienaar | 1:10 |
| 2003-12 | Well-Tempered Clavier, Book I: No. 21 in B-flat major, BWV 866: I. Prelude | | Daniel Barenboim | 1:15 |
| 2004-03-24 – 2005-03-20 | The Well-Tempered Clavier, Book I: Prelude No. 21 in B-flat major, BWV 866 | | Vladimir Ashkenazy | 1:10 |
| 2005-07 – 2005-10 | Prelude no. 21 in B-flat major | | Luc Beauséjour | 1:31 |
| 2005 | Prélude & fugue en Si bémol majeur, BWV 866: Prélude | | Andreï Vieru | 1:14 |
| 2006-06 | Prelude no. 21 in B-flat major, BWV 866 | | Richard Egarr | 1:25 |
| 2008-01-07 – 2008-01-15 | Präludium Nr. 21 B-Dur, BWV 866 | | Roger Woodward | 1:23 |
| 2008-03-25 – 2008-04-15 | Prelude and Fugue No. 21 in B-flat major, BWV 866: I. Præludium | | Pieter-Jan Belder | 1:16 |
| 2008-08-04 – 2008-08-11 | Das wohltemperierte Klavier, Teil I: Präludium No. 21 B-dur, BWV 866 | | Martin Stadtfeld | 1:16 |
| 2008-09-08 – 2008-09-16 | The Well-Tempered Clavier, Book I: No. 21 in B-flat major, BWV 866: Prelude | | Angela Hewitt | 1:25 |
| 2009-01 | Präludium B-Dur | | Vardo Rumessen | 1:27 |
| 2009-02 | The Well-Tempered Clavier, Book I: Prelude and Fugue No. 21 in B-flat major, BWV 866: I. Præludium | | Maurizio Pollini | 1:11 |
| 2009-04 – 2009-05 | Prélude no. 21 en si bémol majeur, BWV 866 | | Zhu Xiao-Mei | 1:18 |
| 2009-12 – 2010-01 | Prelude in B♭, BWV 866: no. 21 From The Well‐Tempered Clavier, Part 1 | | [unknown] | 1:24 |
| 2010-05-25 – 2010-05-29 | The Well‐Tempered Clavier, Book 1, BWV 846–869: Prelude no. 21 in B‐flat major, BWV 866 | | Christine Schornsheim | 1:19 |
| 2011-08 | Das Wohltemperierte Clavier, Buch I: Präludium und Fuge B‐Dur, BWV 866: Präludium | | András Schiff | 1:14 |
| 2013-07-15 – 2013-07-18 | The Well-Tempered Clavier, Book I: Prelude no. 21 in B-flat major, BWV 866 | | John Butt | 1:15 |
| 2014-03 | Prelude and Fugue in B-Flat Major, BWV 866: Prelude | | Pierre‐Laurent Aimard | 1:22 |
| 2014-07-04 – 2014-07-09 | The Well‐Tempered Clavier, Book I: Prelude XXI in B‐flat major, BWV 866 | | Kimiko Douglass-Ishizaka | 1:19 |
| 2014-10-19 – 2014-10-25 | Prelude XXI in B-flat major, BWV 866 | | Céline Frisch | 1:25 |
| 2015-04-20 – 2015-04-22 | Prelude in B-flat, BWV 866 | | Christophe Rousset | 1:22 |
| 2017-02-19 – 2017-02-27 | The Well-Tempered Clavier, Book I: Prelude and Fugue No. 21, BWV 866: Prelude | | Tzimon Barto | 1:45 |
| 2018-08 – 2019-01 | The Well-Tempered Clavier, Book I: Praeludium & Fuga in B-flat major (a 3 voci), BWV 866: Praeludium XXI | | Trevor Pinnock | 1:16 |
| 2018-12 – 2019-01 | Prelude no. 21 in B-flat major, BWV 866 | | Marcel Worms | 1:28 |
| 2020-06-16 – 2020-06-23 | Prelude nr. 21 in B-flat major, BWV 866 | | Marcel Worms | 1:24 |
| 2020-06 | The Well‐Tempered Clavier, Book 1: Prelude XXI in B‐flat major, BWV 866 | | Aaron Pilsan | 1:18 |
| 2021-04 | Well-Tempered Clavier Book I: No. 21 in B-flat major, BWV 866: Prelude | | Schaghajegh Nosrati | 1:13 |
| 2021-04 – 2021-06 | The Well-Tempered Clavier, Book I: Prelude in B-flat major, BWV 866 | | Andreas Staier | 1:32 |
| 2021-10-08 – 2021-10-11 | The Well-Tempered Clavier, Book 1: Prelude No. 21 in B-Flat Major, BWV 866 | | Masato Suzuki | 1:18 |
| Das Wohltemperierte Klavier I, Prelude and Fugue no. 21 in B-flat major, BWV 866: I. Prelude | | Pieter-Jan Belder | 1:16 |
| Das Wohltemperierte Klavier: Book 1, BWV 846-869: Prelude in B-flat major, BWV 866 | | András Schiff | 1:16 |
| Le Clavier bien tempéré, livre 1 : Prélude & Fugue (a 3 voci) en si bémol majeur, BWV 866 : Praeludium XXI | | Michaël Levinas | 1:37 |
| N°21 In B-flat Major, Bwv 866, Prelude | | Kenneth Weiss | 1:21 |
| Präludium No. 21 B-dur, BWV 866 | | Kristin Wachenfeld | 1:31 |
| Prelude & Fugue In B Flat Major, BWV 866: Prelude | | Rosalyn Tureck | 1:04 |
| Prélude and Fugue in B-flat major, BWV 866: I. Prélude | | Martha Goldstein | 1:21 |
| Prelude and Fugue in B♭ major, BWV 866: I. Prelude | | Susanne Kujala | 1:37 |
| Prelude and Fugue no. 21 in B-Flat, BWV 866: I. Prelude | | Samuil Feinberg | 1:11 |
| Prelude in B Major, No.21, BWV 866 | | Ewa Pobłocka | 1:23 |
| Prelude in B-flat major: Book I - No. 21, BWV 866 | | Richard Lester | 1:34 |
| Prélude No. 21 BWV 866 - Si bemol majeur | | Edna Stern | 1:24 |
| The Well-Tempered Clavier I, Prelude and Fugue in B-flat major, BWV 866: I. Prelude | | Chantal Stigliani | 1:25 |
| The Well-Tempered Clavier, Book 1: Prelude & Fugue in B-flat major, BWV 866: I. Prelude | | Andrew Rangell | 1:21 |
| The Well-Tempered Clavier, Book 1: Prelude XXI in B-flat major, BWV 866  | | Ramin Bahrami | 1:19 |
| The Well-Tempered Clavier, Book I, BWV 846-869: Prelude in B-flat major, BWV 866 | | Julien Libeer | 1:18 |
| The Well-Tempered Clavier, Book I: Prelude no. 21 in B-flat major, BWV 866 | | Pietro De Maria | 1:12 |
| The Well-Tempered Clavier: Book I. Prelude no. 21 in B-flat major, BWV 866 | | Bernard Roberts | 1:20 |
| The Well-Tempered Clavier: No. 21 in B flat major BWV 866: Prelude | | Dina Ugorskaja | 1:24 |
| The Well‐Tempered Clavier, Pt. 1: Prelude no. 21 in B‐flat major, BWV 866 | | Yu Jung Yoon | 1:21 |
| XXI __ B-flat Major Prelude | | Évelyne Crochet | 1:10 |
