"Νο 40" is a well-known Greek song performed by the artist Mikis Theodorakis. It is part of the soundtrack for the film "Zorba the Greek," which was released in 1964. The song captures the spirit of Greek culture and is characterized by its lively melody and rhythmic beat. The title "Νο 40" refers to a specific track number in the album. The song has become iconic, often associated with traditional Greek dance and celebrations. Its popularity has led to numerous covers and adaptations, making it a staple in both Greek music and international interpretations of Greek folk traditions.