Translation: Cabezon, Antonio de.
Translation: Final.
Translation: The famous St. John hymn from which Guido d'Arezzo took the notes' names, but using another melody.
Translation: Transcribed from the Trent manuscript tr92. The the notes' values and the accidentals are as in the manuscript.
Translation: Transcribed from the Trent manuscript tr92. The the notes' values are as in the manuscript. The time signature is missing.