Zalvation: Live In The 21st Century is a live album that was released in 2006, the album served as a The Sensational Alex Harvey Band reunion. This was the second live album (third overall) to be made without Alex Harvey. The other albums produced without Alex Harvey being the band's eighth studio album, Fourplay and another reunion album Live in Glasgow 1993. Despite the death of Alex Harvey in 1982, this album features Max Maxwell on vocals, and also sees the return of Hugh McKenna to the band. His last appearance being on the Fourplay album, where he took over on vocals. The album not only served as a reunion tour, but also a farewell tour, but after the success of touring, the band decided to continue. The album release contains 2 CDs.
Since the release of the reunion concert album, original band guitarist, Zal Cleminson, announced his departure from the band. The band have made the decision to carry on, now without core members Zal Cleminson and Alex Harvey himself. Julian Saxby has been brought in as Cleminson's replacement.