Matías Ruiz
Fray Matías Ruiz was a Spanish baroque composer. He was probably the one same Matías Ruiz who was maestro de capilla at León Cathedral in 1665, and then at the Encarnación 1676-1678, and who, still referred to as maestro at the Convent of the Incarnation, Madrid though he no longer could have been, published music for Easter in 1702.