O-Hum, an Iranian rock band from Tehran, was formed in 1998 by Shahram Sharbaf on lead vocals and guitar, Shahrokh Izadkhah on guitar, and Babak Riahipour on bass. Their debut album Nahale Heyrat was released in October 1999 after distributing their first song "Darvish" among friends. In March 2001, O-Hum launched their website offering free downloads of their songs. Their second album Hafez Ashegh Ast was released in February 2002. The band released albums including Aloodeh (2005), E-HUM: O-Hum Remixes (2009), and In Kherghe Biandaz (2014). They performed concerts in various countries, including the United States, Europe, and Iran. Their album Shatt-e Sharab was released in March 2022.
