Erat quidam regulus cujus
- Folio
- 126r
- Sequence
- 3
- Volpiano
- 
                1--d-dc--f-g--f-gh-h--f-g 
- Melody with text
- 
                        
                            
                                1---d-dc--E- f-g--rat f-gh-h--f-g-------qui- ---dam ---re- ---gu- ---lus ---cu- ---jus 3
- Image link
- https://www.digitale-sammlungen.de/en/view/bsb00060191?page=255