 The song features sampling from two songs, "Supersonic" by J. J. Fad and "Give It All You Got" by Afro-Rican, utilizing their rapping style and synthesized strings respectively.The song is set in common time and has a moderate hip-hop tempo of 129 beats per minute.It is written in the key of B-flat minor and Fergie's vocals span two octaves, from G3 to D5.