MMMBop by far, though all three are great! Though at the same time, Hanson isn't a one hit wonder, they got a second top 10 hit from the same album as MMMBop.
Didn't AQUA have a few more hits across Europe (their primary market) though?
Since they're a Swedish (?) group, they wouldn't be a one hit wonder if they kept getting hits in their homeland.
They did, they even had several #1's in the UK but in the American market (and for the sake of discussion) they didn't, I just included them because it's probably the only song most people would widely recognize from them.
MMMBop by far, though all three are great! Though at the same time, Hanson isn't a one hit wonder, they got a second top 10 hit from the same album as MMMBop.
Technically none of them are one-hit wonders but they are classified as it a lot, and they only really have one song that is widely recognized.