The band's best selling album is Sweet Freedom, which was released in 1973 and its worldwide sales are more than 6 million copies.

Uriah Heep's progressive/art rock/heavy metal fusion's distinctive features have always featured massive keyboards sound, strong vocal harmonies and (in the early years) David Byron's operatic vocals.

7 in 1975)[3] while of the fifteen Billboard 200 Uriah Heep albums Demons and Wizards was the most successful (No.

[4] In the late 1970s the band had massive success in Germany, where the "Lady in Black" single was a big hit.

[5][6] With Black Sabbath, Deep Purple and Led Zeppelin, Uriah Heep became one of the top heavy metal and hard rock bands of the 1970s.