This film is called Ayyam Dai3a (Lost Days) starring Nadia el Guindi and Mou7sen Sar7an made in 1965. The dancer is Nawal El Saghiera. This takes place in Alexandria where the crowd is celebrating the completion of a brand new fishing boat. The background dancers behind Nawal el Saghiera are called the Cairo Showdance Troupe according to the film credits. The name of the song is Ya Hassan Ya Kholi El Ghanena
