From Wikipedia
Coheed and Cambria is a progressive rock band[1][2] from Nyack, New York and Kingston, New York. Coheed and Cambria have released four studio albums, two live albums, and various special-edition re-releases. Their albums are concept albums, revealing the plot of an overarching storyline, The Amory Wars. The band plans to release a total of five albums describing the saga The Amory Wars. To date, four studio albums have been released: The Second Stage Turbine Blade (2002), In Keeping Secrets of Silent Earth: 3 (2003), Good Apollo, I’m Burning Star IV, Volume One: From Fear Through the Eyes of Madness (2005), and Good Apollo, I’m Burning Star IV, Volume Two: No World for Tomorrow (2007). These albums make up the second, third, and half of the fourth part of the four-part saga of Coheed and Cambria, respectively. The albums are being released out of sequence; the second part was released first, and the first part will be released last.