| recordings |
|---|
| 1962-01 | 24 Preludes & Fugues, op. 87: Fugue no. 21 in B♭ major | | Tatiana Nikolayeva | 2:40 |
| 1962-01 | 24 Preludes & Fugues, op. 87: Prelude no. 21 in B♭ major | | Tatiana Nikolayeva | 1:20 |
| 1990-09-24 – 1990-09-27 | Prelude in B-flat major, Op. 87 No. 21 | | Tatiana Nikolayeva | 1:33 |
| 1996-08-19 – 1996-08-21 | Prelude & Fugue no. 21 in B-flat major: Prelude | | Vladimir Ashkenazy | 1:25 |
| 1999-06-15 – 1999-06-18 | Prelude in B-flat major, op. 87 no. 21: Allegro | | Konstantin Scherbakov | 1:16 |
| 2001-05 | Prelude and Fugue in B-flat major, op. 87, no. 21 | live | Olga Kern | 4:02 |
| 2007-08-26 – 2007-09-07 | 24 Preludes & Fugues, op. 87: Prelude and Fugue no. 21 in B-flat major: Prelude. Allegro | | David Jalbert | 1:28 |
| 2014-02-16 – 2014-02-19 | 24 Preludes and Fugues, op. 87: No. 21 in B-flat major: Prelude: Allegro | | Peter Donohoe | 1:11 |
| 2018-12 – 2019-01 | Prelude in B-flat major, op. 87 no. 21 | | Marcel Worms | 1:36 |
| 2022-05-01 – 2022-05-03 | No. 21 in B flat major - Prelude: Allegro | | Hannes Minnaar | 1:17 |
| 2025-02-24 – 2025-03-04 | 24 Preludes and Fugues op. 87: No. 21, in B‐flat major: Prelude | | Yulianna Avdeeva | 1:24 |
| 24 Preludes & Fugues, op. 87: Prelude no. 21 in B-flat major | | Jenny Lin | 1:29 |
| 24 Preludes & Fugues, op. 87: Prelude no. 21 in B-flat major. Allegro | | Alexander Melnikov | 1:10 |
| 24 Preludes and Fugues, op. 87: No. 21 in B-flat major: Prelude. Allegro | | Mūza Rubackytė | 1:26 |
| 24 Preludes and Fugues, op. 87: Prelude no. 21 in B-flat major: Allegro | | Boris Petrushansky | 1:19 |
| 24 Preludes and Fugues, op. 87: Prelude no. 21 in B‐flat major | | Igor Levit | 1:17 |
| 24 Préludes et Fugues, op. 87: Prelude 21 | | Caroline Weichert | 1:35 |
| Prelude and Fugue in B-flat, op. 87 no. 21 | | Mikhail Pletnev | 4:23 |
| Prelude no. 21 in B-flat major, op. 87 no. 21 | | Olli Mustonen | 1:12 |
