I have my whole house wired and Chromecast throughout, so I don't need to change anything wrt amps, speakers, sources, etc. I just want a physical UI device th

I have my whole house wired and Chromecast throughout, so I don't need to change anything wrt amps, speakers, sources, etc. I just want a physical UI device that's similar in spirit to the iPod - completely focused on music, emphasizing browsing and album art.