- 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.
- Tavares: Sinfonia Nº9 (19 files)
- Binchois: Gloria, Kaye 2a (4 files)
- Grossin: Gloria, IEG 9 (2 files)
- Legrant: Gloria, IJL 4 (2 files)
- Dufay: Gloria, IGD 116 (2 files)
- Grossin: Gloria, IEG 6 (2 files)
- Binchois: Kyrie 'In simplici die' (2 files)
- Anonymous: Kyrie 'Quod canitur in simplici die' (2 files)
- Binchois: Kyrie 'De beata Maria' (2 files)
- Dufay: Kyrie 'Pater cuncta' (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)
- Buttino: Sogni Passioni 2° versione (#1040248)
- Vilela: Invention 1 (#1040230)
- Vilela: Invention 2 (#1040228)
