How to Make Music on a Computer?

If you haven't got an iphone, you just need ap at this point. A computer? You need some form of speakers. There's a bunch of free, pretty sick pluggings at this point: vital mat titals and v s ts. The mitty itself is so confusing, you know, like drawing the little lines. And i just think that confuses people too, cause people are so used to thinking, well, i need a actual keyboard,. But they don't imean like, you can definitely don't need a keyboard to make this stuff.