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

Efterklang's new album, Piramida, comes out Sept. 25. Rasmus Weng Karlsen/Courtesy of the artist hide caption

itoggle caption Rasmus Weng Karlsen/Courtesy of the artist

Neither ambient nor explicitly forceful, Efterklang's "Modern Drift" puts all of its layers on display. courtesy of the artist hide caption

itoggle caption courtesy of the artist