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List of Works Found in the music21 Corpus

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A type of Stream. See
A notated music event. See User’s Guide, Chapter 2: Notes or music21.note.
A representation of fundamental frequency. See User’s Guide, Chapter 3: Pitches, Durations, and Notes again or music21.pitch.
An object that connects multiple objects in various Streams. Spanners include things like Slurs and Glissandos and also StaffGroups (which links Part objects that should have brackets around them).
A music21 object for containing objects. See Overview: Streams, Scores, Parts, and Measures or
The 14th century in the Italian, which is odd because it means 300, but it’s short for the 1300s. The creator of music21 works on Italian trecento music, so you’ll see a lot of references to it here.