From dawn to dusk, music reigns among the stars of Persian civilization. The traditional music of Iran, unique to the Orient, is the fruit of a mystical heritage with a fascinating capacity for constant regeneration. Kayhan Kalhor, an uncontested master of this tradition, joins Kiya Tabassian on a journey through an immense musical universe. Carrying on tradition while uncovering the future, they make poetry that sings of times both old and new, and contribute to a culture that is in full swing.