In March 2005, Osbourne released a box set called "Prince of Darkness". The first and second discs are collections of live performances, B-sides, demos and singles. The third disc contained duets and other odd tracks with other artists, including "Born to Be Wild" with Miss Piggy. The fourth disc, is entirely new material where Osbourne covers his favourite songs by his biggest influences and favourite bands, including the Beatles, John Lennon, David Bowie and others. In November 2005, Osbourne released the covers album "Under Cover", featuring 10 songs from the fourth disc of "Prince of Darkness" and 3 more songs. Osbourne's band for this album included Alice in Chains guitarist Jerry Cantrell, bassist Chris Wyse and Faith No More drummer Mike Bordin.