Höhlengleichnis
2 X Again is a compilation album by American shred guitarist Michael Angelo Batio released on November 5, 2007. It features songs from Batio's first two studio albums – "No Boundaries" and "Planet Gemini" – remixed and remastered, with additional drums from Joe Babiak. Also included are two demo tracks from the "No Boundaries" sessions: "Acoustic" and "Allegory of the Cave".