9-13 Reading

pp. 10-13 - entries on Rhythm, Beat, Measure/Bar, review entry on Meter (focusing specifically on Duple Meter, Triple Meter, Quadruple Meter, Compound Meter), and Texture (focusing specifically on Homophony, Polyphony)

pp. 39-44 - all (Attending Concerts)

pp. 56-58 - entry on Organa

p. 68 - entry on Pérotin

Organa

Pérotin