Conversation so far:
What happened to Duff McKagan in 1979?
In 1979, at the age of 15, Duff McKagan formed the punk band the Vains, in which he played bass; they released the single School Jerks in 1980.
What role did Duff McKagan have in the Vains?
Duff McKagan played bass in the Vains.

Question: what else happened in the following years?
Self-contained rewrite: what else happened Duff McKagan in the following years after forming the punk band the Vains as bassist?