This "greatest hits" is one of the lesser-known by Sabbath and is focused on the first 5 albums of the historic hard rock band, which are the best albums of their discography, those of the original line-up: Ozzy Osbourne on vocals, the genius Tony Iommi on guitar, Billy Ward on drums, and Geezer Butler on bass.
It's a well-prepared collection, although it also suffers, like many "greatest hits" out there, from the lack of live tracks or a couple of rarities that would justify the purchase of a "greatest hits" or a "best of". Nevertheless, the choice of tracks is spot-on.