My recent thread about Johnny Mathis's first album got me thinking about this. I'd like to talk about singers who are generally considered pop singers who might have made one or two jazzy records in their career and surprised you with the results. Artists like Sinatra, Tony Bennett, Julie London and Peggy Lee don't really count, because even if you consider them pop singers, a substantial amount of their catalogs had some sort of jazz content or flavor. A few examples I'm thinking of: