A question about some of the cut dialogue.

[Squeely]

[quote="The Lionvengers"]and details I didn't know (Mufasa originally sang a song called 'King of the wild?')[/quote]
Yup! It's better known as "To be King", though it does end with the phrase "King of the Wild". It can be found here:

https://www.youtube.com/watch?v=tCPgUSze9dw

It's a fun song, but perhaps a tad too silly for Mufasa, which is why it was cut.