Apologies...the soda variety is missing the W's. The one from the puzzle is a song.

I had to do some educated guessing but got all the groups. I liked it. Twas fun. And the keywords apparently worked nicely because on a couple of them my guesses weren't exactly what you indicated. So, double kudos.

BTW, I never witnessed it, but I always thought PBJ GVCCVAT was for real. :)

7/10... Thought this was really easy - why was this marked fiendish? Lots of fun, regardless!

Thought that was fun - but got the colours one "incorrect" - either "colour" isn't specific enough (which it should be since "numbers" was specific for the next one down), or you need to accept both spellings.

These links are ridiculously tenuous.