Here are Apple’s macOS 11 Big Sur system and alert sounds

Apple’s new macOS 11 Big Sur (don’t call me ‘X'”) represents a system-wide macOS visual redesign, bringing a variety of new icons, a translucent menu bar, and much more. In addition to the visual redesign, macOS Big Sur completely overhauls the Mac’s sound effects.
macOS 11 Big Sur, unveiled at WWDC20, introduces a beautiful redesign and new features in Safari, Messages, and Maps.
Chance Miller for 9to5Mac:A pair of new videos on YouTube from channel Pomamitia offer