Iron Maiden have announced details of their forthcoming album, The Final Frontier.The band recorded their follow-up to 2006's A Matter Of Life And Death earlier this year at Compass Point Studios in the Bahamas and The Cave Studios in Malibu, California with producer Kevin Shirley.Even though the album will be released on August 16, fans can now get their hands on a free download of the song El Dorado via the band's official website, www.ironmaiden.com."As we'll be including it in the set of our Final Frontier World Tour, we thought it would be great to thank all our fans and get them into The Final Frontier mood by giving them this song up front of the tour and album release," says vocalist Bruce Dickinson. In addition to El Dorado, The Final Frontier will also feature: Satellite 15... The Final Frontier, Mother Of Mercy, Coming Home, The Alchemist, Isle Of Avalon, Starblind, The Talisman, The Man Who Would Be King, When The Wild Wind Blows.The Final Frontier World Tour begins in Dallas on June 9 with 25 shows across North America. The band will then return to Europe for a run of headline dates, including the Sonisphere Festival at Knebworth on August 1."We're hugely excited about this tour," says bassist Steve Harris. "I think the fans will really like the brand new stage production - Eddie has changed a bit for this tour but is possibly the most outrageous one to date. I can't say too much about him as don't want to spoil the surprise, but I guarantee he will scare the hell out of you!"For an exclusive interview with Bruce, see the new issue of Kerrang!, on sale this Wednesday (June 9).