Most annoying song, period.

Free Bird - Lynyrd Skynrd

As a retired musician, someone at every southern outpost was guaranteed to scream this ‘request’ at least a dozen times a night. Whenever I hear that opening slide, I feel like I’m getting a kidney stone.

I agree with Eric,  Feliz Navidad is the worst song ever followed closely by Honey by Bobby Goldsboro.

That Xmas song by McCartney is pretty annoying too.  I'm surprised it got a few votes here.   For years, I used to think some wannabe Brady Bunch band sang it.  That's how bad I thought it was and still think it is horrible, though I do love the Beatles. 

How many characters are allowed in these posts?

I would say anything by Meat Loaf.

Sooo much rubbish it modern pop. The list would go on and on like the music does.  You all know the music.