What does it take to sing a good folk song? According to Hugh Hefner, “An Ivy League suit and an Eastern accent.”

Jazz cats weren’t the only musicians who took to the Brooks Brothers look in the ’50s and ’60s. Here’s Bud & Travis from Hef’s short-lived TV show “Playboy’s Penthouse” circa 1960.

And below them, in a troika of Brooksy blazers, the Chad Mitchell Trio from 1963.

Note: Ivy Style apologizes for the quality of the video in the first clip, and the material in the second. These clips are presented for historical purposes only and are not intended for enjoyment.