In 2000, Dickinson performed vocals on the song, "Into the Black Hole", for Ayreon's "". Later that year, he collaborated with Judas Priest's front-man, Rob Halford, recording, "The One You Love to Hate", for Halford's debut, "Resurrection". A compilation, entitled "The Best of Bruce Dickinson", was released in late 2001, including two new songs and a bonus disc of rarities. His latest solo album, "Tyranny of Souls" was released in May 2005. This time the song-writing was all split between Roy Z and Dickinson and many songs were composed by Z sending recordings of riffs to Dickinson while he was on tour with Iron Maiden. On 21 June 2005, Dickinson's complete solo discography was re-released, featuring bonus discs with rare and remastered tracks. That same year, Dickinson contributed to the song, "Beast in the Light", from Tribuzy's album, "Execution", and their subsequent live album. A three-DVD box set, entitled "Anthology", was released on 19 June 2006, containing concerts and promo videos from throughout his solo career, as well as an old Samson video, entitled "Biceps of Steel".