Lord Huron's new album, Lonesome Dreams, comes out Oct. 9. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Ben Folds Five (from left): Robert Sledge, Darren Jessee and Ben Folds. Autumn de Wilde/Courtesy of the artist hide caption

itoggle caption Autumn de Wilde/Courtesy of the artist

Efterklang performs with Wordless Music Orchestra at the Grace Rainey Rogers Auditorium at The Metropolitan Museum of Art. Ryan Muir for NPR hide caption

itoggle caption Ryan Muir for NPR

Mumford & Sons is led by singer Marcus Mumford (second from left). The band's second album, Babel, was released on Sept. 25 and is on pace to be the highest-selling debut of 2012. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist