Heavier Things is the second studio album by American musician John Mayer, released September 9, 2003 on Columbia Records in the United States. The title of the album itself is a subtle response to certain criticism of Mayer's music.The album debuted at number one on the U.S. Billboard 200 chart, selling 317,000 copies in its first week. Despite some negative criticism towards Mayer's songwriting, Heavier Things received generally positive reviews from music critics.