Initially embraced as "the Southern Strokes" for their distinctly Southern take on rock & roll, Kings of Leon have steadily morphed into an adventurous arena rock outfit over the course of their career. The quartet's earliest records, such as their 2003 debut Youth & Young Manhood and 2004's Aha Shake Heartbreak, were steeped in retro sounds; by the time of 2008's Only by the Night they had left the confines of the garage for an arena-sized stage. The result was a huge album that twinned the sleek atmosphere of Coldplay with the introspection of Americana while spawning the an...