The best songs have no expiration date. But even the oldies have their differences. Basically, songs that are older than 25 years are called oldies.
So every year many songs are added to this category. That's why there are many oldie stations on web radio that specialize in popular eras and decades. So everyone can find exactly the right oldie radio.
[Listen to Oldies radio stations online](https://au.radio.net/genre/oldies 'Listen to Oldies radio stations online')