How I listen to my extensive music collection

I have a lot of music. I used to listen to the radio just about 24/7 but now we live next to this big hill that prevents us from getting a radio signal (seriously, it's really annoying). Working from home, alone, I really need to listen to music at all times in order to properly function. I download indie artists I've never heard of when they offer their albums for free. I download the free songs on Amazon. I ripped every CD in this house to MP3 (and we have a TON). I'm not picky. I just...