When you absolutely, positively need to know the song that is playing on the background soundtrack at the restaurant or club, Shazam (free) is the go-to application. The app "listens" to music, queries a database, and responds with information including the song's title, artist, and sometimes even the lyrics. Shazam just got a lot better, with a bump to version 5.0 that should make every user of the app even happier.
As you can see from the update screen at right, Sha
