"All About That Bass" is a song by American singer-songwriter Meghan Trainor. It was recorded for her 2014 debut EP Title and her 2015 studio album of the same name. Epic Records released it as Trainor's debut single on June 30, 2014. "All About That Bass", written by Trainor and Kevin Kadish, is a bubblegum pop and doo-wop song that draws influences from various musical genres including R&B, hip hop and country.