Archives of the old soundcloud group (each pack in reverse chrono order, of course some tracks are lost in the mysts of time, like tears in rain …):
2010 ← the beginning
https://soundcloud.com/supercollider-showcase/sets/supercollider-showcase-2010
2013 ← 2010
https://soundcloud.com/supercollider-showcase/sets/supercollider-showcase-2013
August 2016, when the groups were killed ← 2014
https://soundcloud.com/supercollider-showcase/sets/supercollider-showcase-pre
Cheers,
eddi