(TheDrinksBusiness) - Heavy metal group Iron Maiden has released a cask ale in partnership with Cheshire brewery Robinsons. “Trooper” was created by lead singer Bruce Dickinson following an offer from the brewery and is named after one of the band’s most popular songs. Dickinson said: “I’m a lifelong fan of traditional English ale; I thought I’d died and gone to heaven when we were asked to create our own beer.