How to download music straight to your iPhone music library without a computer or iTunes?

I just got an iPhone an the only thing i'm focused on is my music. Unlike an android with Apple you have to pay for music.

You can download it illegally, which is never a good idea. I know a lot of people who do it, and have never gotten caught, so it can't be that bad. The only way I know how to do it is on a computer.
-you enter YouTube and find the video you want, then copy the online link it gives you when you watch the video.
-you open another tab: search "YouTube to MP3" and click the link.
-paste the YouTube link into the website and click "search". If the video you want appears, click download or convert, whichever option it gives you. It should create an auto file on iTunes for you.
-plug in your iPhone and go to music. Select: download selected songs/albums/artists etc. Select what you've downloaded and you've done it!

You can't download music directly into your 'Music' library on your iPhone, you just HAVE to go through iTunes on your computer and sync your iPhone if it's not jailbroken. Or you can buy them songs via the iTunes app on your iPhone, but we sure don't want that now, do we?

Considering your device is jailbroken, (many tutorials are available on YouTube or basically everywhere on the Internet) there are tweaks you can download via Cydia which enable you to do just that.

Or if you want to stay "clean", there are a number of apps which you can use to download songs, but that's gonna be a different library, specific to that app.

LOL UNLIKE ANDROID YOU HAVE TO PAY FOR MUSIC lol you have to pay for music on android and apple