In case you don't feel old...

Here's a partial list of some songs that are celebrating landmark birthdays this year.

Pet Shop Boys' "West End Girls" turns 20.
Blondie's "Rapture" turns 25.
Hall and Oates' "I Can't Go For That (No Can Do)" turns 25.
Elton John and Kiki Dee's "Don't Go Breakin' My Heart" is 30 years old.
The Beatles' "Yellow Submarine" turns the big 4-0.
And REM's "Losing My Religion" is 15 years old.
Oh, and Wham!'s "Careless Whisper?" It could legally drink this year.