Cardiology is the fifth studio album by American rock band Good Charlotte. It was released on October 27, 2010 through Capitol Records. Within a year of releasing Good Morning Revival, Benji and Joel Madden had begun working on new material in early 2008. Pre-production started in early 2009 and tracking commenced in August with producer Howard Benson. Problems arose during this period; Benji Madden hesitated to work with Benson. Having completed the majority of the recording, Madden felt uncomfortable and realized the band was working with the wrong person after Benson removed two crucial verses from a track. After hearing Read more on Last.fm.