“Thank you, 1960s Dutch TV and YouTube uploaders. Kwartet Pim Jacobs are: Wim Overgaauw (g), Pim Jacobs (p), Ruud Jacobs (b) and Han Bennink (d). oh, also trying this one on letsloop.com (under the same username).”
This jam is special! The first and only time it’s been posted was by uri1903 in Aug 2015.