The song's lyrics are from a letter that Mika wrote to an ex. He explained to The Sun September 11, 2009: "it's a break-up letter I wrote. So I thought it would be funny to put it down to a dance beat and get everyone to dance it."
Stuart Price, who has also worked with Madonna, The Killers and Keane, produced this track. Mika told Q magazine June 2009: "This is an unapologetic '80s pop record. I bumped into producer Stuart Price while he was working with The Killers at Olympic Studios. He helped me program this. It reminded him of ABBA and Frankie Goes to Hollywood."
This electronic dance track features a guest appearance from Final Fantasy's Owen Pallet, who did the song's violin programming.
Mika elaborated on this song to The London Times November 20, 2009: "How was I feeling the day I wrote that? I was furious with the person I was going out with." The interviewer asked what they had done? Mika replied: "Nothing. That was the problem." The interviewer then asked what he wanted them to do? "Embarrass me, Mika replied. "Make me happy at the risk of making me totally miserable... So I wrote this nasty little nursery rhyme - and then I thought, wouldn't it be funny to put it to a dance beat, because that would empower it."
Lily Allen wrote "Something's Not Right" for the soundtrack of the Peter Pan prequel, Pan. The song was inspired by the heartache that Allen experienced after suffering a miscarriage when she was six months pregnant with her first child by husband Sam Cooper in 2010.