Pretty loud tapping coming from top of engine. Happened out of nowhere. Been a very reliable car until now.

Google photos video link:
https{delete me}://photos.app.goo.gl/RxuVU8QqsUzz1jYS7

-150,000 miles
-I have had a check engine light for a small evap leak for months with no issues.
-Oil regularly changed, oil level ok.
-Coolant ok.

Attached a video, any ideas?