Sweet Nothing (Originally Performed by Calvin Harris and Florence Welch) (Karaoke Version) is and Unknown album released in 2013. There is one song in Sweet Nothing (Originally Performed by Calvin Harris and Florence Welch) (Karaoke Version). The song was composed by Mammoth Music, a talented musician. Listen to all of Sweet Nothing (Originally Performed by Calvin Harris and Florence Welch) (Karaoke Version) online on JioSaavn.