What's the name of this song?

I don't really know the lyrics sorry, but they sing this a lot "Ahhh ah-ha Ahhh ah-ha ah-ha-ah-ha-ha" Perhaps the chorus. It's not exactly choppy like that; it's more fluid but if you were to break it down in slow motion, it would sound like that. It doesn't sound like any person was naturally singing that part, but it sounds as if Alvin and the chipmunks were singing. It sounds like it would be in the pop/techno genre (it has a lot of some techno piano beat) or perhaps rock/alternative (but it's not hard rock, drums, or yelling so I don't think it's rock). There's some quick singing after the ah's and then there's some piano techno solos at various times in it. I think I heard it in a commercial somewhere, too. Ugghh, I'm sorry I don't rember some of the lyrics, but I really like this song and I can't remember the title. Btw, it's not that Gary McF Ah Ah Song. Plzzz help!!!! Thank you soooo much!!!!!! =)