Deletion of Headliner (concert)

Comment: per nom.  is policy, and to expand on this would be original research
Stance: delete
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:WINAD)

Comment: satisfies otability as it is a well established term. While I do not see this article ever being large, I do see it becoming a concise but well-written one in the future
Stance: keep
Cited policy: Wikipedia:Notability (WP:N)