> Not even listening to music in the car?

I generally prefer to have access to all my senses on public transit, but there are any number of other portable devices I could use that store the music locally.

> I have more music than my phone will hold and it's very nice to be able to access whatever I want to listen to at will.

If I were going to choose from among that much music I might as well search the Internet anyway. An entry-level microSD the size of my thumbnail now holds a couple hundred CDs worth (at uncompressed CD quality; several times that for high-quality opus).