- 4 March 2021 - 176,000 works have scores or parts on Petrucci Music Library.
- 21 February 2021 - IMSLP now has 66,000 recordings.
- 17 February 2021 - 175,000 works have scores or parts on Petrucci Music Library.
- 11 February 2021 - 555,000 scores.
- The first edition of Strauss’s 6 Lieder, Op.67, published by Bote & Bock.
- The first edition of Coleridge-Taylor’s Life and Death, published by Augener.
- The first edition of Sophia Dussek's Favorite Airs, Book 4, published by Monzani & Co.
- The holograph manuscript of Cimarosa’s Circe.
- The first edition of Gussie Davis's In the Baggage Coach Ahead, published by Howley, Haviland & Co.
- Ferrari: Canone sopra Parce Domine (#679664)
- Omid: Bridgeth 8 (#679663)
- Bellak: Shells of Ocean Waltz, Op.196 (#679660)
- Lederer: Hot Water Waltzes (#679659)
- Dett: Cinnamon Grove (#679658)
- Bellak: Shower of Pearls (#679657)
- Teschner: Nowy Sztajerek (2 files)
- Borch: Oriental Pictures (6 files)
- Virgil: Romanza Passionata (#679644)
- Neuendorff: Der Rattenfänger von Hameln (2 files)

- Borch: Oriental Pictures (4 files)
- Neuendorff: Der Rattenfänger von Hameln (#679642)
- Vivaldi: Violin Concerto in E major, RV 269 (3 files)
- Ferrari: Du meine Seele (#679352)
- Ferrari: Meditazione sopra "Herzliebster Jesu" (#679345)
- Ferrari: La salita al Mirteto (#679343)
- Zhang: Your Sudden Return Brings Me Joy (#679330)
- De Assunção Rondon Mello: Piano Sonata No.2, Op.4 (2 files)
- Bates: Toccata for Piano & Orchestra (#679253)
- Haydn: Adam hat siebn Söhn, MH 699 (#679231)
