I saw that comming as soon as i say the title
What is the worst and best songs created??

The worst song ever might be "I've got tears in my ears from lying on my back in bed while I cry over you" by Harold Barlow.
Not kidding. You can't just make this sort of crap up.
I'VE GOT TEARS IN MY EARS - Lyrics - International Lyrics Playground

Best song ever? Hard to say...
Bohemian Rhapsody by Queen?
The Great Gig in the Sky by Pink Floyd?
In the Court of the Crimson King by King Crimson?
All strong contenders...

Every time I think I've heard the best song a better one comes to mind or ear.
Here's a candidate for worst...maybe. If it's worst why can't I stop watching it?

Every time I think I've heard the best song a better one comes to mind or ear.
Here's a candidate for worst...maybe. If it's worst why can't I stop watching it?
That's not completely terrible - I think you could probably polka dance to it...

Best song ever? I would say bohemian rhapsody or maybe lose yourself by Eminem

It's one of the top contenders, certainly.
"The Great Gig in the Sky" is right up near the top of the list, too. Claire Torey's voice is just out of this world.
According to Alan Parsons (who was the studio recording engineer on this album) when the track was finished, Claire Torey burst into tears because she felt that she's messed up the take. Messed it up... it's one of the greatest vocal tracks ever recorded!
never gonna give you up
never gonna let you down
never gonna run around and desert you
never gonna make you cry
never gonna say goodbye
never gonna tell a lie and hurt you
is obviously the best lyrics of any song.