The DJs of KCRW are what make this whole thing so special. You'll see some overlap between artists and DJs but from each host you'll get a flavor of something new and spectacular. Here you can see how every host ends up with a certain set of favorite songs and artists. So view a host, choose a date range, and see how their interests change over time.
Note: I've done a lot (and with input from my roommate) to try and make the pages load quickly even with the full range of data. But if there are even just a few people browsing the site at the same time I run out of memory from the heroku server. If you try to view a lot of data and get an error, try refreshing a few times and perhaps you'll sneak in a query with a large chunk of server memory.