‘Looney Tunes’ has been removed from Max.
David Chung at
Tragic: https://www.latimes.com/entertainment-arts/tv/story/2025-03-18/looney-tunes-shorts-removed-max
I only recently discovered this. Funny that the article uses a scene from Rhapsody Rabbit, which was exactly the short I was looking for after re-watching Cat Concerto.
Back to physical media, I suppose.
You can only trust what you have in your hands. None of the online media platforms can be trusted to keep stuff forever.