Originally this involved launching the Shazam app and tapping a big button on its main screen, but since launch the developer has added an ‘Auto Shazam’ feature, which allows Shazam to listen for music al all times. Shazam is far from new, and chances are you already know about it, but it’s worth highlighting as it has been improved over the years.īut first, if you don’t know what it is: Shazam can identify music by listening through your phone’s speaker.