As in, the sound your Apple device makes on starting up. This video mixes the sounds of Apple hardware over the past 40 years into a song that won’t make the Top 40. But very on-topic for an Apple industry event opener; it probably brought the house and garage down.
As students of global culture you are probably aware of BTS, the Korean hip hop group. Four #1 albums in America quicker than anyone since the Beatles, worth $4.6B to the Korean economy each year, cover of Time Magazine, addressed the United Nations General Assembly…
They fronted an ad for the Samsung Galaxy Note phone; makes for an interesting contrast with Australian ad culture.
Samsung launched a branded Galaxy BTS Edition as part of the endorsement. It sold out. You can still buy BTS Edition earbuds though, if you’re quick.