Bionic is the sixth studio album by American singer Christina Aguilera. It was released on June 4, 2010, by RCA Records. Inspired by Aguilera's taste for electronic music, Bionic is characterized as an electropop, futurepop and R&B record. Its first half consists of electronic songs incorporating synthesizers and electronic beats, while the second half displays a balladic production. The album's main themes include sex and feminism.