transfer music from Mac Mini to new iPhone SE

Hello,

Is there a pdf on how to transfer music from Mac Mini to new iPhone SE?

Or just asking how do I do this? I thought that it use to be done through the Music app but I cannot even find a way to do this using my new iPhone SE.

Thank you

Bill

Using a Mac Mini Apple M1 chip with OS 13.5.2 and the iPhone SE 3rd generation was purchased today.