• International Music Score Library Project (IMSLP)

  Petrucci Music Library. Major database containing public domain scores; includes complete works of many composers.

• IMSLP: Other music score websites

• Sheet Music Consortium

• Choral Public Domain Library

• Score Follower

  YouTube channel with recording+score videos of modern compositions.

Note: Music sores in the public domain are published before 1928.

• Classical Scores Library (MIT access)

• Contemporary Music Score Collection, UCLA Music Library

  Published by the UCLA Music Library in eScholarship, the Contemporary Music Score Collection includes the digital, open access scores from the Contemporary Score Edition series, the first open access edition of new music published by a library, and scores from the Kaleidoscope 2020 Call for Scores, an open access collaboration with the UCLA Music Library.

• MIT's Inventions of Note sheet music collection

  19th and early 20th-century popular songs related to technology