There is nobody on the planet today even half as cool as these two guys. Watch Dean Martin and his pal Frank Sinatra breeze through a performance of A MARSHMALLOW WORLD on a December 21, 1967 episode of THE DEAN MARTIN SHOW.
Legend has it that NBC wanted Dean Martin for a show so badly, that they only made him work one afternoon a week. He would come in a record the show without any rehearsal and it ended up working quite well for the show. The laid back feeling rolled over to the guests too! Watch Frank just go ahead and pull up his socks while singing on national television:
Compare that to this next clip, which I assume is from a few years later...I'm not sure ol' Dean even knows where he is: