- 15 May 2022 - IMSLP now has 74,000 recordings.
- 14 May 2022 - 200,000 works have scores or parts on Petrucci Music Library.
- 23 April 2022 - 199,000 works have scores or parts on Petrucci Music Library.
- 15 April 2022 - 25,000 composers.
- The first edition of Isham Jones' Lady of the Nile, published by Milton Weil.
- The first edition of Koechlin’s Oboe Sonata, Op.58, published by Max Eschig.
- The first edition of Burleigh’s Apart, published by William Maxwell.
- The first edition of Sullivan’s Judy McLeary, published by Oliver Ditson.
- The only extant complete contemporary manuscript of Scarlatti’s Mitridate Eupatore.
- Geoffroy: Livre des pièces de clavecin de tous les tons naturels et transposéz (#782207)
- Mayzner: Mój śpiewnik (#782202)
- Anonymous: O pulcherrima mulierum (2 files)
- Frye: Ave Regina caelorum (2 files)
- Anonymous: Untexted a 4, IA 2468 (2 files)
- Anonymous: Hora cridar (2 files)
- Anonymous: Untexted a 3, IA 2477 (2 files)
- Anonymous: O rosa bella (2 files)
- Dunstaple: O rosa bella (2 files)
- Anonymous: Untexted a 3, IA 2476 (2 files)

- Ferrari: Trasfigurazione (#782115)
- Ferrari: Trittico della Trinità (3 files)
- Rondeau: Trumpet Canon & Fugue No.331 (#782030)
- Rondeau: Trumpet Canon & Fugue No.330 (#782029)
- Rondeau: Trumpet Canon & Fugue No.329 (#782025)
- Rondeau: Trumpet Canon & Fugue No.328 (#782024)
- Rondeau: Trumpet Canon & Fugue No.327 (#782023)
- Rondeau: Trumpet Canon & Fugue No.326 (#782022)
- Rondeau: Trumpet Canon & Fugue No.325 (#782021)
- Morley: Fantasie à 2 'La Caccia' (#782011)
