Francesc Espelt (16??-1712) is one of many more or less anonymous composers that we can find listed in any number of general music histories, encyclopedias and dictionaries. He is usually described as being representative of the so-called Catalano-Valencian school of organ music, often with flattering remarks about his rather copious output. In spite of this, a great deal of this music remains unpublished and the biographical details of the composer’s life are mostly unknown. In the present volume, we hope to shed light on these matters by publishing and making his music available to a wider public while also providing the most up-to-date biographical information.