Crafting a pop-meets-hip-hop sound they call "swag-pop," Karmin is the project of singer/rapper Amy Heidemann and Nick Noonan. Heidemann grew up in a small Nebraska town and discovered her voice in sixth grade, while Noonan became an award-winning trombone player and avid classic rock fan while growing up in Maine. The pair met in 2006 at Boston's Berklee College of Music, where Heidemann studied songwriting, performance, and business, and Noonan was on his way to becoming a professional trombonist,...