PS1 - Underground Jampack Menu walkthroughs (1997-2001)

As far as as I'm aware, these discs were specially sold retail for the cheap price of $4.99 and served as a preview for Playstation Underground itself. (they also might've been included as a bonus disc in special edition games?) Timestamps below: 0:00 Jampack Vol. 1 (Summer '97) 1:02 Jampack Vol. 2 (Winter '97) 2:17 PlayStation Underground Jampack (Summer '98) 5:54 PlayStation Underground Jampack: Winter '98 9:35 PlayStation Underground Jampack: Summer '99 13:15 PlayStation Underground Jampack: Winter '99 16:54 PlayStation Underground Jampack: Summer 2000 21:09 PlayStation Underground Jampack: Winter 2000 24:44 PlayStation Underground Jampack: Fall 2001