Mayer was nominated for a Grammy Award for Best Male Pop Vocal Performance in 2011 for his solo version of the song.

She would make a killer Stevie Nicks in contrast to my Tom Petty of a song.

The black acoustic guitar Mayer uses in the official video is a Martin 000-ECHF Belezza Nera.

"Half of My Heart" debuted at number 29 on the Billboard Hot Adult Top 40 Tracks chart on the issue date of May 8, 2010.

The song also debuted at number 25 on the Billboard Hot 100 upon the release of Mayer's album Battle Studies.