"Cassius" is the second single from the album Antidotes by Foals. It is their fifth single in total to date. It was released as a digital download on 18 February 2008 and on CD and vinyl on 10 March 2008.
In a video interview with NME, lead singer Yannis Philippakis stated that the track was "the most straightforward song on the album. It's trying to deal with somebody being two-faced or, even to the extreme, someone…
Cassius, it's over, Cassius away
Cassius, these day dreams, these day dreams, okay
Cassius, an accident
Cassius, an accident, accident, accident, accident