Neil Young played "Rockin' in the Free World" with Joan Baez and Maggie Rogers at the 'Fighting Oligarchy' rally organized by Bernie Sanders and AOC.

There's also an old pro in the mix, Neil Young, who has a new band, as well as a new song that Ken says heralds some big changes. Here's his review. (SOUNDBITE OF SONG "LOSE CONTROL") TEDDY SWIMS ...