10. 'iTunes Festival: London 2010' (2010)
Captured during the tour for Ozzy's most recent studio album, 2010's Scream, this largely forgettable digital-only release is the only official live document of his time with Firewind's Gus G. as his sideman. And while the guitarist's playing throughout is inspired, it sometimes sounds a bit derivative (including a few squealy harmonics the way Zakk Wylde played them) and the songs that made it onto the release are a predictable assortment of solo classics and Sabbath hits along with his then-current single "Let Me Hear You Scream." What's missing are the rare Jake E. Lee–era tunes like "Shot in the Dark" and "Bark at the Moon" that Gus played beautifully on that tour. Ultimately, the release has since become a rare beast: an out-of-print digital-only release. There isn't even a quality rip of it on YouTube.