Craig Wright teaches this fourth lecture in Yale's Listening to Music course, opening with musical acoustics and how multiple partials combine to form a tone. He reviews rhythmic terms like beat, tempo, and meter before demonstrating more advanced concepts including syncopation and the triplet. The lecture then turns to musical texture, working through monophonic, homophonic, and polyphonic examples, and introduces rhythmic dictation, the skill of notating a rhythm by ear. Wright closes by applying all of it to Mozart's Requiem, showing how the piece layers rhythm, texture, and pitch to underscore its text. Recorded in Fall 2008 as part of Yale's MUSI 112, the session runs just over fifty minutes and moves from technical vocabulary to a sustained listening exercise on a single major work.