Who is the singer who helps Esteghlal?

Since the beginning of the 1973–74 season, Esteghlal has played its home games at the Azadi which has a seating capacity of 78,116, though it is able to hold more people during important matches. Esteghlal set an attendance record for an Asian Club Championship match in 1999 when 125,000 supporters watched their final. The club is owned and supported by the Ministry of Sport and Youth.