Deletion of Gulf and western (music genre)

Comment: Unfortunately for that premise, |Wikipedia is not a publisher of first instance.  Wikipedia can only report on that which is in the public eye by way of |reliable, third-party, independent sources.  To borrow from your metaphor, we can't pay attention to blades of grass here; we can only have articles on full-grown lawns
Stance: comment
Cited policy: Wikipedia:What Wikipedia is not (WP:NOT||WP:RS)

Comment: Without sources, the article's nothing but |original research"'' and with sources, it's not OR.  More sources added including ones referring to other performers
Stance: keep
Cited policy: Wikipedia:No original research (WP:OR)