The Gruuthuse manuscript includes 147 songs provided with a simplified musical notation for one voice, 18 poems and 7 prayers put into rhyme.
In cooperation with the Huygens ING the Library in The Hague will also offer a transcription of all texts on the web site, with a commentary on the content and some audio files.
[1] Previously, the manuscript was owned by the family Van Caloen in Koolkerke near Bruges and conserved in their castle Ten Berghe.
The Dutch Royal Library introduced its new web site on 1 March 2007, where the manuscript is reproduced in its entirety.
[citation needed] It was only in the 17th or 18th century, that someone anonymously added his name, his coat of arms and his device (Plus est en Vous) and a number of comments about his membership of the Order of the Golden Fleece to the manuscript.