Conversation so far:
what happened to ZZ Top in 1969
ZZ Top released their first single, Salt Lick, in 1969, and the B-side contained the song Miller's Farm.
who started zz top
The original ZZ Top line-up was formed in Houston and consisted of Billy Gibbons, bassist/organist Lanier Greig (died February 2013) and drummer Dan Mitchell.
who were the members of ZZ Top
Billy Gibbons, Frank Beard, Dusty Hill are current members of ZZ Top; Past members are Lanier Greig, Dan Mitchell, and Billy Ethridge.

Question: who was a leader
Self-contained rewrite: who was a leader of ZZ Top