12th century in music – 13th century in music – 1300s in music
- 1271 – Amerus, Practica artis musicae.[5]
- 1274 – Elias Salomo, Scientia artis musicae.[6]
- 1279 – Anonymous of St Emmeram, De musica mensurata (Munich, Bayerische Staatsbibliothek, Cod. Lat. Mon. [Cim.] 14523), one of the two main treatises on the theory of Notre Dame polyphony.[7]
- 1201 – Raimbaut de Vaqueiras, "Ara pot hom conoisser e proar" (chanson de croisade, celebrating the election of Boniface de Monferrat as leader of the Fourth Crusade)
- 1204–05 – Raimbaut de Vaqueiras, "No·m agrad' iverns ni pascors"
- 1227–34 – A Play of Daniel with music is written at the school of Beauvais Cathedral.
- 1235–39 – Theobald I of Navarre, "Seignor, sachiés, qui or ne s’en ira" (chanson de croisade)
- 1239 – Theobald I of Navarre, "Au tens plain de felonie" (chanson de croisade)
- 1239–40 – Theobald I of Navarre, "Li dous penser et li dous souvenir" (chanson de croisade)
- 1201 – Léonin (died this year or soon after)
- 1203
- 1204
- 12 December – Maimonides, Jewish rabbi and writer on music (b. 1135 or 1138)
- 1207
- 1231
- 1236
- 1245
- 1253
- 7 July – Thibaut IV, Count of Champagne and Brie, King of Navarre (b. 30 May 1201)
- 1260
- date unknown – Richart de Fournival, French trouvère
- 1284
- 1286
- 1288 – Adam de la Halle (possibly survived until at least 1306)
G. Kraft and Percy M. Young, "Eisenach", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Theophil Antonicek, "Vienna, §1: To the 15th Century", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Jack Sage, "Alfonso el Sabio [Alfonso X]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Fritz Reuter, "Worms", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
F. Alberto Gallo, "Amerus [Aluredus, Annuerus, Aumerus]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Joseph Dyer, "Salomo, Elias [Salomon, Hélie]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Heinrich Sowa, Ein anonymer glossierter Mensuraltraktat 1279, Königsberger Studien zur Musikwissenschaft 9 (Kassel: Bärenreiter, 1930): 132.