Rock & Roll Icon A Hard Day's Night Cologne by Parfumologie, Named for the classic beatles song and inspired by feelings of understanding and peace, rock & roll icon a hard day's night is a spicy, woodsy fragrance from parfumologie that's perfect for casual occasions and fun nights out. It opens with bright citrus notes that are complemented by pink pepper and vetiver. Cedar and grapefruit heart notes become more noticeable as the fragrance begins to transition.