It was at this moment he knew ringtone

Set it as your ringtone

iPhone

1. Download the .m4r file on your iPhone.
2. Open Files, tap the file, then the share icon, and choose GarageBand — or, if you are on a Mac, drag it into Finder → your iPhone → Tones.
3. In GarageBand tap the project, then Share → Ringtone, name it, and export. It appears under Settings → Sounds → Ringtone.

Android

1. Download the MP3.
2. Open Settings → Sound → Phone ringtone (the wording varies by maker), tap Add or the + icon, and pick the file from Downloads.

Full-length version and the story of the sound: It was at this moment he knew.

ℹ️ Sound details