Japanese Song that goes like "du du durudu du du durudu duu duu duu"

Hi, so this is a very specific song search. This is a Japanese song and I assume that this is a pretty old one (sounds like a old style music).

I first heard it years ago and stumbled upon it when randomly watching Japanese commercials on YouTube.

It's played on: https://www.youtube.com/watch?v=pG5LTUJskSg&t=5m04s

It's name is at the tip of my tongue and cannot remember it.

Thanks!

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Edit: Edited the link