Just as printed letters can be scanned and converted into digital text, emerging technology can transform sheet music into sound. A new effort is underway to use optical music recognition (OMR) to bring to life music in the public domain for all to listen and access through the Internet Archive. Nearly 200 public domain songs have been uploaded to the Internet Jukebox—from John Philip Sousa marches to children’s folk songs and piano concertos by Frederic Chopin—and the collection is growing.
Source: Bringing Forgotten Music Back to Life with Optical Music Recognition