Very clever grid.

Indeed it is!

But again mainly just anagrams with no connections, meanings or red herrings unless I have misunderstood the idea of this?

No,try again, Tricky?

quality grid- got 2 of them and guessed there was prob an anagram (funnily enough) but couldn't get it

I was LITERALLY listening to THE MASTERPLAN (the SONG NOT EVEN THE ALBUM - ROFL!!!) when i solved the Oasis link. So that was a really wonderful start. The oxymorons - A*.
As for the rest, oh dear. A real let down after such a strong opener.
Must try harder.