In a follow-up to his analysis of the Pink Floyd song “Comfortably Numb”, the fast talking doodler 12Tonetakes on “Money”, an equally interesting song by the same band. He starts off with the the cash register as an organic loop before launching into the unusual structure of seven beats, rather than six or eight.

Source: How Pink Floyd Used Odd Metering, Organic Loops and Travelling Bass Line to Create the Iconic Song ‘Money’