According to the Internet source given below, Jehan de Lescurel (also Jehannot de l'Escurel) was a medieval poet and composer.
Most of his works are monophonic songs, in the style of the trouvères. Only one of his 34 works is polyphonic, although he wrote other works which have not survived. The songs are virelais, ballades, rondeaux and diz entés.
||Jehan de Lescurel
||Biography by wikipedia.org.