What is the best, most popular song ever throughout the generations?

I like that song, but I would've said bohemian rhapsody

Stairway to heaven

We are the champions.

[c=#7700B2]"Happy birthday to you..." 🎂
Well ok not [b]best[/b]. But most popular throughout the generations![/c]

Good old Aussie rock, but probably not my choice...

great choice