- 2 June 2026 - 865,000 scores.
- 1 June 2025 - IMSLP now has 94,000 recordings.
- 25 May 2026 - 257,000 works have scores or parts on Petrucci Music Library.
- 3 May 2026 - 860,000 scores.
- The original manuscript of Holmes’s Lute Book Vol.1, MS Dd.2.11, compiled in the early 1590s.
- The first edition of Bax’s Lyrical Interlude, GP 261, published by Murdoch, Murdoch & Co.
- The holograph manuscript of Zelenka’s Te Deum, ZWV 146.
- The first edition of J. Rosamond Johnson’s Nobody's Lookin' But De Owl An' De Moon, published by Jos. W. Stern.
- The first edition of Grandval’s 2 Pieces for Oboe and Piano, published by G. Hartmann.
- Damoreau: Pièces de clavecin (2 files)
- Piatti: Serenata for 2 Cellos and Orchestra (#1041462)
- Chausson: Poème de l'amour et de la mer, Op.19 (#1041459)
- Stamitz: 3 Duos for Violin and Viola (#1041458)
- Gaubert: Fantaisie for Flute and Piano (#1041457)
- Brahms: Violin Sonata No.1, Op.78 (2 files)
- Nutzhorn: Takt, takt (4 files)
- Reutter: Diana vendicata (#1041432)
- Folk Songs: Syng med os, både mark og skov (4 files)
- Reizenstein: Concert Fantasy, Op.42 (#1041415)
- Levy: Excelsior (#1041412)
- Rondeau: Trumpet Canon & Fugue No.1239 (#1041398)
- St. Pierre: 4 Songs of the Sea (4 files)
- Ewell: Job's Story, A Biblical Musical (2 files)
- Anonymous: Jandźelo Boži, ty pěstonje mój, PW008 (#1040600)
- Ferrari: Elegia (#1040568)
- Ferrari: Toccata pentecostale di gravitazione (#1040451)
- Rondeau: Trumpet Canon & Fugue No.1237 (#1040449)
- Ferrari: Sonata di gravitazione (#1040446)
- Ferrari: Preludio per l'Ascensione (#1040292)