Question: how to set ringtone on iphone xr from music library?
Answer: Launch iTunes on your Windows PC or Mac. [00:24]
Make sure you're on the MUSIC and LIBRARY selection in iTunes. [00:45]
Select the song from your iTunes library. [00:57]
Right click on the song and tap SONG INFO. [01:11]
Select OPTIONS. [01:19]
Change the STOP and START TIMES. Make sure that the total length of the ringtone doesn't exceed 30 seconds. [01:29]
Tap OK. [01:53]