Prince's 1991 hit single, allegedly written whilst admiring himself in the mirror, boasts all the hallmarks of his deliciously filthy funk: a slow-grinding bassline, lashings of slinky guitar licks, undulating organ chords, shamelessly suggestive lyrics and that most essential of ingredients - groans of pleasure.
Sexiest lyric: "It's your time / You got the horn so why don't you blow it"