The Englishman introduces another function of omens in The Alchemist. He tells Santiago (whom he first mistakes for an Arab) that omens are not just for following on the way to achieving one's Personal Legend. They also can help a person understand the language of the universe.
Originally a waltz, during the British Dixieland Revival in the 1950s and 1960s this melody was often played in fast four/four tempo, notably recorded by the Kenny Ball Band. It's a Sin to Tell a Lie - Fats Waller | Song Info. AllMusic.
I Know, You Know. I Know You Know is the name of the Psych theme song. It was written by the show creator Steve Franks, and was performed by Franks's band, The Friendly Indians. It is a shortened version with two verses less from the song The Best Man Lies , a track off a previous demos' EP of the band.