The phrase identifies the action of acquiring a digital audio file specifically formatted for use as an alert sound on a mobile device, where the audio content comprises a common celebratory song. This typically involves locating and saving such a file from an online source to a compatible device storage location.
The utility stems from its capacity to personalize mobile devices, serving as an audible notification of incoming calls or messages with a festive and familiar tune. Historically, the practice reflects advancements in mobile technology allowing users to customize device functionalities beyond pre-set options, representing a shift towards greater individual expression and utility within telecommunications.