- 29 September 2026 - 262,000 works have scores or parts on Petrucci Music Library.
- 29 September 2026 - 885,000 scores.
- 6 September 2026 - IMSLP now has 95,000 recordings.
- 4 September 2026 - 261,000 works have scores or parts on Petrucci Music Library.
- The first edition of Bax’s Of a Rose I Sing a Song, GP 234, published by Murdoch, Murdoch & Co.
- The holograph manuscript of Heinichen’s Ave regina, S.24.
- The first edition of Ignatius Sancho’s Minuets, etc., published by Richard Duke.
- The first edition of Grandval’s Violin Sonata, Op.8, published by Henry Lemoine.
- The first edition (parts) of Phalèse’s Cantionum sacrarum, Liber 8, published in 1558.
- Bach: Trio Sonata in A minor, H.572 (20 files)
- Troilo: Canzon Nona (6 files)
- Cowell: American Pipers, HC 645 (#1064562)
- Cowell: American Melting Pot, HC 594 (#1064561)
- Tromboncino: Animoso mio desire (#1064550)
- Bartók: Melodien der Rumänischen Colinde (#1064549)
- Corrêa de Araujo: Tiento de quinto tono, FO 20 (#1064538)
- Vitoriano: Symphony No.2 (#1064537)
- Girtain IV: Renovation Mass (4 files)
- Doles: Singbare und leichte Choralvorspiele (2 files)
- Langer: Grossmütterchen, Op.20 (#1063810)
- Rondeau: Trumpet Canon and Fugue No.1290 (#1063638)
- Oechsler: 16 Choralvorspiele, Op.8 (#1063550)
- Ferrari: Io Verità (#1063406)
- Ferrari: Toccata della Candelora (#1063405)
- Diaz: Concierto andaluz para el final de un milenio (4 files)
- Rondeau: Trumpet Canon and Fugue No.1289 (#1063180)
- Rondeau: Trumpet Canon and Fugue No.1288 (#1063124)
- Wiecielkowski: I.1.2 Interlude (#1063115)
- Saint-Saëns: Valse gaie, Op.139 (#1063055)
