Airardus viciliacensis ??-1150 ?France, ? - ?Spain, ?
magister of the Benedictine monastery in Vezelay France, his music is preserved in the cathedral of Santiago de Compostela Spain, Grove 1980 makes a connection by stating that the Vezelay monastery was along a mayor pilgrimage route to Santiago de Compostela, it is likely that he made pilgrimages to or even had been active at the cathedral of Santiago de Compostela