Once More 'Round the Sun is the sixth studio album by American heavy metal band Mastodon. It was released on June 24, 2014, via Reprise Records. On April 17, 2014, Mastodon released the album's first single, "High Road". On June 16, 2014, the album was made available for streaming on iTunes. Once More 'Round the Sun sold around 34,000 copies in the United States in its first week of release to land at position No. 6 on the Billboard 200 chart, making it the band's highest-peaking album on the chart and their second consecutive Top 10 debut after their previous album, The Hunter, peaked at No. 10.