Margot Fassler is Keough-Hesburgh Professor of Music History and Liturgy at the University of Notre Dame. Her works include The Virgin of Chartres: Making History through Liturgy and the Arts, Gothic Song: Victorine Sequences and Augustinian Reform in Twelfth-Century Paris, and a series of films on sacred music. Fassler is a member of the American Academy of Arts and Letters; her awards include a Guggenheim Fellowship and the American Musicological Society’s Otto Kinkeldey Prize. Walter Frisch is H. Harold Gumm/Harry and Albert von Tilzer Professor of Music at Columbia University. He is the author of numerous books and articles, including Brahms: The Four Symphonies, The Early Works of Arnold Schoenberg 1903–1908, and German Modernism: Music and the Arts. He is the recipient of two ASCAP-Deems Taylor Awards and fellowships from the National Endowment for the Humanities, the Alexander von Humboldt Foundation, and the Center for Scholars and Writers at the New York Public Library.

• ** Contents subject to change 1. Anonymous, Ave Maris Stella2. Anonymous, The Oxyrhynchus hymn3. Ambrose of Milan, Aeterne Rerum Conditor4. Anonymous, Some Easter Mass Propers5. Anonymous, Polyphonic examples from Musica Enchiriadis6. Anonymous, Antiphon "Ecce apparebit dominus" with Psalm 147 (146):1–117. Anonymous, Kyrie Cunctipotens genitor8. Anonymous and Notker the Stammer, Two Early Medieval Sequences9. Anonymous, Tropes for the Introit Resurrexi10. Fulbert of Chartres (?), Responsory: Stirps Jesse11. Anonymous, Sequence Congaudentes exultemus for St. Nicholas12. Anonymous, Responsory Ex eius tumba and Prosula Sospitati for St. Nicholas13. Fleury Playbook, From The Three Daughters, a play for St. Nicholas14. Winchester Troper, Polyphonic Setting of Alleluia Surrexit Vere15. Anonymous, Annus Novus in Gaudio16. Anonymous, Stirps Jesse Florigeram17. Anonymous, Alma perpetui /Ave regina caelorum18. Albertus, Cantor of Paris, Congaudeant Catholici19. Peter Abelard, Epithalamica20. Four Troubadour Songs20.1. Macabru, L'autrier jost' una sebissa20.2. Bernart de Ventadorn, Can vei la lauzeta20.3. Guiraut de Bornehl, Reis glorios20.4. La Comtessa de Dia, A chantar m'er21. Adam of St. Victor (?), Zima vetus22. Hildegard of Bingen, Mathias Sanctus23. Anonymous, Laude Novella24. Anonymous, Bacche, bene venies25. Thibaut de Champagne, Chancon ferai que talenz26. Alfonso the Wise (?), Rosa das Rosas27. Martin Codex, Ondas do mare de Vigo28. Philip the Chancellor (?), Sol oritur29. Anonymous, Phrases from the Vatican Organum Treatise and Two-part organum purum with discant, and copula30. Anonymous, Organum triplum on Flos Filius31. Anonymous, Clausulae on Flos Filius32. Anonymous, Two early motets on Flos Filius33. Petrus de Cruce, S'Amours eust point de poer/Au Renouveler/Ecce34. Philip de Vitry, Tribum/Quoniam/Merito35. Guillaume de Machaut, Remede de Fortune: Dame de qui, toute ma joie and Dame vous sans retollir.36. Guillaume de Machaut, Fons totius/O livoris feritas/Fera pessima37. Guillaume de Machaut, Messe de Nostre Dame: Kyrie38. Jacob Senleches, Je me merveil/J’ay pluseurs fois39. Marchettus of Padua, Ave regina celorum/Mater innocencie/Ite Joseph40. Anonymous, Madrigal: Quando I Oselli Canta41. Francesco Landini, De sospirar sovente42. Antonio Zacara da Teramo, Cacciando per gustar43. Anonymous, Singularis Laudis Digna44. Richard Queldryk, Troped Gloria