Introduction -- Part 1. The basic materials and properties of music: Tone ; Time elements ; Melody ; Harmony and tonality ; Texture ; Dynamics -- Part 2. Musical mediums: Definitions ; Vocal mediums ; Instrumental mediums -- Part 3. Principles of musical structure: General principles ; Simple sectional structures ; Variation forms ; The larger sectional forms ; The principal contrapuntal forms ; Free forms ; Compound structures -- Part 4. Categories of music literature: Symphonic music ; Opera ; Dance music ; Folk music and nationalism ; Art song ; Religious music ; Absolute and program music ; Humor in music -- Part 4. Other major approaches to appreciation: Musical style ; Music histroy ; Biography ; Interpretation
