The latest in the series of iPhone ads features yet another iPhone app, “Shazam” [iTunes link] in action – listening to a song and showing you who the artist is. The music played to Shazam is also the theme music for the ad. The song on the iPhone is then played, in tune with the advert! Apple does know how to make good soundtracks!

Shazam is an application that can tell you what music you’re listening to. It could be any track from any source. As long as the iPhone can listen to it (and pass on the message to the cloud), you get to know the name of the song, a lot of artist info, and if available, a shortcut to purchase that app using the Wifi Music Store. Shazam is free of charge from the app store [iTunes link].

You can watch the new advert on the iPhone Ads page, along with recent adverts such as Loopt and UrbanSpoon.