Place it at the start of a message scene to cue the reply that follows, then follow an unanswered message with Awkward Crickets and a sudden twist with Shocking to build the beat in order.
關於此聲音
This is a very brief phone notification tone, lasting less than a second, made to catch attention at once. It feels crisp, familiar and instantly attention-grabbing, like the alert you expect when a new message arrives. Its clean, direct character makes it easy to recognise even at low volume.