Alcalá de Henares, with a population over 120,00 people, has its own Cathedral and is home to one of the oldest universities in Spain. The Cathedral was built in the Renaissance period, in the times of Victoria and Cardinal Cisneros and its acoustics are unique. It has one of the best organs and it is located on top of the main altar with excellent visibility of the main altar. The Cathedral celebrates each year its annual International Organ Festival during September and October. Madrid