You hear a sound when you pierce the earphone into Pepsi's in-train advertisement

It seems that such advertisements are being deployed in the Canadian subway. 100 advertisements will be held in Toronto and Vancouver until the summer of this year.

What can be heard?
Pepsi Access Advertising / Design Goodness

You can hear Gnarls Barkley 's "Crazy" song for 30 seconds. For additional information please check the following site! Announcement that it will flow also seems to flow.

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