Hayedeh, born Masoumeh Dedeh Bala in Tehran in 1942, became one of the most celebrated voices in Persian music during a career that began on Iranian radio in the 1960s. Known for her wide range and deeply expressive delivery, she recorded hundreds of songs that remain central to Iranian culture decades after her death in 1990. Short clips of her singing continue to circulate online in edits and soundboards, shared by listeners who grew up with her music and by younger audiences discovering her voice.