I've been adding a few things to the Oculyrici database in anticipation of the upcoming class of The Medieval Lyric on February 10. Here's the dashboard for a Roman de Fauvel manuscript.
The folio in BNF Francais 146 has an illumination depicting Fauvel and some musical notation for a song. The record links directly to BNF Francais 146 and includes some details from their manuscript desciption. In the general manuscript links section below I've also added a Youtube link to a performance of the song "In Marie Miserie." I don't know much about the song or this particular performance... but it certainly adds another dimension to our experience of Fauvel.