Want music on my phone. how do I do that?

To keep music on iPhone, it is suggested that you can refer to this tutorial " How to download music on iphone/iPad " for operation.

Actually, you can directly record music from YouTube, which sound quality will be higher than downloads. I found a tutorial on how to record music from YouTube. Hope it a help :)

First and foremost, you need to download music to your computer (refer to part 1 in this guide if desired:https://bit.ly/3a3kvom)
Secondly, just transfer music to your device after connecting the cell phone to your computer via USB cable.

It sounds quite simple, isn't it?

Recommend Leawo Video Downloader to you. Leawo Video Downloader is a professional video and music downloader. It allows you to download youtube video and music to your phone. And the guide shows the detailed steps to do that.https://www.leawo.org/tutorial/how-to-download-audio-from-website-1114.html

Just google it

I don't know your phone type. If you holds Android phone, you can read this article -Top 5 Youtube music download apps for Android . Hope it can really help you. Top 5 YouTube Music Download Apps for Android

You can use a youtube downloader to download music from youtube.
and this free one i use can not only download videos from youtube, but also convert videos to Mp3 while you are downloading. you can take a try for this.Hope this helps.