It is one of the few medieval liturgical dramas that has arrived intact to the present and the oldest piece of Europe in Romance language. This assembly is now represented on the high altar of the Cathedral of Mallorca is run by a team of two hundred people linked to La Selva del Camp, a town of Tarragona they recovered more than thirty years.
The mystery of the forest represents the ascension of Mary into heaven body and soul. Unlike Sibyl, which has evolved musically over time, this drama has remained as it was in the XIV century, which gives it a great historical, cultural and musical value. The tunes are in Gregorian chant and polyphonic and uses a medieval Catalan with tovadoresco lexicon.