The court organist Antonio de Cabezón (1510 –1566), who was appointed to Queen Isabella’s court chapel in Toledo at the young age of 16, was rightly regarded by his contemporaries as the leading Spanish organist and keyboard player of the 16th century. His hymns and versets are based on short, decorated harmonisations of the psalm tones. In the tientos, the transformation from vocal motet style to a style of writing suitable for keyboard instruments is perfectly executed.