From Denver, Colorado

From last.fm:

The Lumineers are a folk rock trio which formed in Denver, Colorado, United States in 2002. The band consists of Wesley Schultz (vocals, guitar), Neyla Pekarek (piano, cello, mandolin, vocals) and Jeremiah Fraites (drums, vocals). The band's debut self-titled album was released on April 3, 2012. The album's first single, "Ho Hey" reached #3 on the Billboard Hot 100 and #1 on the Billboard Alternative Songs chart. Read more about The Lumineers on Last.fm.