"All About That Bass" is a song recorded by American singer-songwriter Meghan Trainor for her 2014 debut EP Title and her 2015 studio album of the same name. Epic Records released it as the singer'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. Lyrically, it discusses positive body image although this is disputed by some. .