1 Video 0: Overview of 21M.383 Computational Music Theory for OCW Learners 2 Class 1 Video: How Do Computers "Hear" Music? 3 Video 1a: music21 Coding Tutorial for OCW Learners 4 Class 2 Video: Representation of Notes, Pitches, and Durations 5 Video 3a: Introduction to Pitch Representation 6 Video 3b: Pitch Representation: Pros, Cons, and Stakeholders 7 Video 3c: How to Approach the Problem Sets 8 Class 4 Video: Intro to Scores and Music Representation 9 Video 4a: How to Read an Academic Article 10 Video 4b: Music Representation in General 11 Class 5 Video: Music Representation (II) 12 Video 6a: Music Representation (III): Unlocking Pitch in music21 13 Video 6b: Representations of Ontologies: Craig Sapp’s Rosetta Stone 14 Class 7 Video: Music Representation (IV) & Hierarchies (I) 15 Video 7a: Unlocking Duration and Note Objects in music21 16 Video 7b: Streams as Hierarchies: Types of Containers in music21 17 Video 7c: music21 Streams, Corpus, and Meter Features 18 Video 7d: Partwise vs. Timewise Polyphonic Representations 19 Class 8 Video: Hierarchies (II): Streams and Recursions 20 Video 9a: Music Information Retrieval (MIR): Sound to Score and Music Theory 21 Video 9b: Introduction to MusicXML 22 Video 9c: Interview with Michael Good on MusicXML 23 Class 10 Video: Equivalence and Intervals (I); Hierarchies (IV) 24 Video 10a: Review: Equivalence Classes and OPTIC 25 Class 11 Video: Equivalence and Intervals (II) and Filters  in music21 26 Video 12a: Painting Emotions in Music and Text 27 Video 12b: Chorales as a Corpus 28 Video 12c: Graphing and Plotting in music21 29 Video 12d: How to Work with Ties in music21 30 Class 13 Video: Corpus Studies and Statistics 31 Class 14 Video: Corpus Studies and Statistics (II) 32 Class 15 Video: Encoding Corpora and Voice Leading 33 Class 17 Video: Introduction to Music Cognition 34 Classes 18-21 Video: Brief Synopsis of Guest Sessions on Music Cognition 35 Video 22a: Chord Review and 13 Chords: Some Problems with Roots 36 Video 22b: Problem Sets 7-8: Working and Composing with Scales, Chords, and Roman Numerals 37 Video 22c: Algorithmic Improvisation: Intro to George Lewis 38 Class 23 Video: Algorithmic Composition 39 Class 24 Video: Algorithmic Composition (II) 40 Class 25 Video: Algorithmic Composition (III) 41 Video 26a: Vocabulary Reduction 42 Class 27 Video: Feature Extraction and Machine Learning 43 Class 28 Video: Feature Extraction and Machine Learning (II) 44 Video 29a: Feature Extraction and Machine Learning (III): Artificial Intelligence 45 Class 30 Video: Mathematical and Statistical Musicology 46 Class 31 Video: Music Visualization and Optical Music Recognition 47 Video 32a: Tipping the Iceberg