- 16 November 2019 - 151,000 works have scores or parts on Petrucci Music Library.
- 3 November 2019 - 490,000 scores.
- 12 October 2019 - 150,000 works have scores or parts on Petrucci Music Library.
- 4 October 2019 - IMSLP now has 58,000 recordings.
- The first edition (parts) of Wert’s Madrigali a 5 voci, Libro 11, published by Angelo Gardano.
- The second edition and early translations into German and English of Cherubini’s Cours de contrepoint et de fugue, published by Heugel and others.
- The first edition of Frescobaldi’s Capricci, F 1863-65, published by Alessandro Vicenti.
- The holograph manuscript of C.P.E. Bach’s Keyboard Trio in E minor, H.529.
- The first edition of Paul Dresser's Tis All that I Have to Remember Her By, published by Howley, Haviland & co.
- Zitterbart Jr.: Duo for 2 Violins No.32 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.31 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.30 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.29 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.28 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.27 (2 files)
- Zitterbart Jr.: Duo for 2 Violins No.26 (2 files)
- Schickhardt: Concerto for 4 Recorders and Continuo in G major, Op.19 No.3 (6 files)
- Chavaneau: Adagio for strings (6 files)
- Chavaneau: Concertino (9 files)

- Anonymous: Weltliche Musik um 1300 (2 files)
- Dufay: Motets, Vox DL 990 (2 files)
- Bramley: Enchant (#600348)
- Greet: Vignettes (4 files)
- Greet: Etudes (6 files)
- Ferrari: Pastorale sopra Ad te Domine levavi (#600133)
- Ferrari: Pastorale canonica sopra Gaudete in Domino (#600132)
- Beischer-Matyó: Elrejtem magam (#600122)
- Armstrong: Patterns from the Game of Life, Part IV (#600026)
- Wot: Sweet Divertimento, Op.210 (#600008)
