Over the last few decades, Apple has produced some of the most recognizable sounds ever made. In this episode, the Apple design team pulls back the curtain on their sound design philosophy and process, from the evolution of the classic “Tritone” alert, to the surprising origins of the Apple Watch sounds, to the inspiration behind the latest notification tones. Featuring Billy Sorrentino, Hugo Verweij and Kelly Jacklin. Sign up for Twenty Thousand Hertz+ to get our entire catalog ad-free. If you know what this week's mystery sound is, tell us at mystery.20k.org. Follow Dallas on Instagram, TikTok and LinkedIn. Watch our video shorts on YouTube, and join the discussion on Facebook. This episode is brought to you by BetterHelp. Get 10% off your first month at betterhelp.com/20k. Find the right doctor, right now at zocdoc.com/20k. Claim your $75 sponsored job credit at indeed.com/hertz. Get a free Netsuite KPI Checklist at netsuite.com/20k. Episode transcript, music, and credits can be found here: www.20k.org/episodes/the-sound-of-apple Learn more about your ad choices. Visit megaphone.fm/adchoices