This page attempts to list the longest non-repetitive piano pieces along with approximate duration. The number of pages their scores cover and their formats are listed where available.
| Piece | Composer | Approximate duration | Page count | Page size | Notes | |
|---|---|---|---|---|---|---|
| Beatus Vir | Jacob Mashak | 11 hours | (in proportional notation)[1] | A work for two pianos. Premiered by three pianists (including the composer), who played in rotation. | ||
| The Road | Frederic Rzewski | 10 hours | (manuscript)[2] | Premiered by the composer, Ian Pace and several other pianists.[3] | ||
| Symphonic Variations for Piano | Kaikhosru Shapurji Sorabji | 10 hours | (manuscript)[4] | A3 | Variation 56 (of 81) has been recorded by Michael Habermann and performed by Chappell Kingsland. | |
| 100 Transcendental Studies | Kaikhosru Shapurji Sorabji | 8½ hours | (manuscript)[5] | A3 | The complete cycle of 100 études has been recorded by Fredrik Ullén.[6] The études that have not been performed in public are Nos. 27, 33, 39, 42, 45–48, 51, 53–58, 60–64, 68, 74, 82, 87, 90, 91 and 93.[7] | |
| Sequentia cyclica super "Dies irae" ex Missa pro defunctis | Kaikhosru Shapurji Sorabji | 8½ hours | (manuscript)[8] [9] | A3 | Premiered and recorded by Jonathan Powell. | |
| Piano Sonata No. 5 (Opus archimagicum) | Kaikhosru Shapurji Sorabji | 6–7 hours | (manuscript)[10] [11] | A3 | Movements 8 and 9 from the 10-movement work have been premiered by Tellef Johnson. | |
| Inner Cities 1–14 | Alvin Curran | 6 hours | Premiered and recorded by Daan Vandewalle. | |||
| November | Dennis Johnson | 6 hours | 6 (manuscript)[12] | Premiered by the composer, recorded by R. Andrew Lee. | ||
| The Well-Tuned Piano | La Monte Young | 5-6 hours | Premiered and recorded by the composer.[13] | |||
| The History of Photography in Sound | Michael Finnissy | 5½ hours | (edition)[14] [15] | A3 | Premiered and recorded by Ian Pace.[16] Performed by Mark Knoop.[17] | |
| Piano Symphony No. 6 (Symphonia claviensis) | Kaikhosru Shapurji Sorabji | 4¾ hours | (manuscript)[18] [19] | A3 | Premiered by Jonathan Powell. | |
| Piano Symphony No. 4 | Kaikhosru Shapurji Sorabji | 4½ hours | (manuscript) | A3 | Premiered by Reinier van Houdt.[20] [21] [22] | |
| Opus clavicembalisticum | Kaikhosru Shapurji Sorabji | 4 hours | (manuscript)[23] [24] | A3 | Premiered by the composer. Performed and recorded by Geoffrey Douglas Madge and John Ogdon. Performed by Jonathan Powell, Daan Vandewalle and Hiroaki Ooï. |
| Piece | Composer | Approximate duration | Page count | Page size | Notes | |
|---|---|---|---|---|---|---|
| For Clive Barker | Matthew Lee Knowles | 26 hours (1 day 2 hours) | (manuscript)[25] | A4 | ||
| Alida No. 16f "La conscience totale" | Maurice Verheul | 12½ hours | 341 (manuscript)[26] | |||
| Piano Sonata No. 5 | Maurice Verheul | 7 hours 18 minutes | (manuscript)[27] | |||
| Piano Symphony No. 0 | Kaikhosru Shapurji Sorabji | 5½ hours | (manuscript)[28] | A3 | ||
| Piano Symphony No. 1 (Tāntrik) | Kaikhosru Shapurji Sorabji | 4½ hours | (manuscript)[29] | A3 | ||
| Piano Symphony No. 2 | Kaikhosru Shapurji Sorabji | 4½ hours | (manuscript)[30] | A3 |