how do i download musicHow do i download music to my phone?

I have a phone from metropcs (****) and i have NO IDEA how to download music onto it. I googled ehow do i download musicverything, but its all not working. Its a touch screen slide phone and its red. HOW DO I DOhow do i download musicWNLOAD MUSIC OMG IM FREAKING OUT PLEASE help QUICK. THANK YOU SOOO MUCH YOURE BEAUTIFUL