I'm curious to see how this all changes when people have to start paying... because these numbers as of right now are skewed because it's all free.... once that parts over the demographics and analytical data will change for sure.
Obligatory correction: no one is paying for Beats1, ever. Period. It is free and always (so far as prognostication can tell us) will be.
Meaningful comment: this is the whole problem with the Apple Music rollout. Apple completely borked the message. The Beats1 service and Apple Music are completely conflated in the public's mind, which is necessarily unfortunate because one is a narrow single-listener-model compromise (which any broadcast station needs to be; you can broadcast the best music for one specific user or start compromising the aptness of the selection to reach more listeners), and the other is a smorgasbord feast of (as close to as licensing will allow, and getting closer over time) everything ever recorded. One is a free "gift" to all users with nothing more than implicit Apple brand advertisements, and the other is a pay service meant to maintain a sustainable cash flow month to month and year to year.
Ugh. I kind of like what Apple did with Beats1. It is often not "my kind of music", but sometimes it is. I flip it on and listen, and if its crappy rap playing (sorry, to my buddy-duddy ears pretty much all rap is crappy rap; opinions and all) turn it back off and play something from my library. If it isn't rap, I give it a listen and see if I like it; if I do, there's often enough another song and another song and another after that that I like as well, and that gives me a good source of music discovery. Sometimes I even listen to the crappy rap, because the DJ there will give some interesting back story, along with it (there is one that goes into the sources of the samples and plays the original influencers, which is often interesting).
Contrast this to the state of US radio, where I could flip on any channel at any time of the day and maybe discover some song in the middle of playing, but there was about a 50-75% chance that at the end of that song what would play is not another song I might like (and could hear from the beginning) but instead a loud and obnoxious commercial for something I don't want. And, if I tried to switch stations during that commercial, 90% of the time the other three stations playing music akin to my tastes would also be playing commercials. Which makes sense, because the commercials pay for the service, but makes the service useless as a discovery medium.
Frankly, I'd pay for Beats1. Not $10/month, but more like $10/year, which I think should be reasonable. Instead, Apple gives that to us free for nothing but brand goodwill. Hopefully they never change and require annoying commercials between songs, because then it becomes useless to me; but unless and until that happens, I'm very glad it is there.
Now, Apple Music, I'm on the fence about. I'm deliberately not "free trialling" the service right now; I'll give it a try a little later in the year when I have more listening time and more cellphone data cap room and more other-family-members'-data-usage-monitoring time. The switch from everything-local to everything-streaming (yes, I understand that's not entirely true, but I have teenagers who will not see the difference and will quickly overrun our family plan data caps) isn't really a good shift in my opinion. Yes, network will become more ubiquitous over time, but we're paying a good $80/month just to keep the data we have running, and that isn't getting appreciably cheaper any time fast, and when Pandora hit this household our data use doubled amongst the users of it. Another $80/month in streaming costs is not something I want to commit to, just to keep the musical "lights" on. That is a lot of music we can buy and ensure that the kids only download from home/wifi.
That said, there's a heavy user-education aspect to me not wanting to try AM yet. It just is going to take time and attention to the data usage for a few months to get the message through to everyone and make it work well.
Anyway, back to the original point: Apple really messed up the messaging here. Beats1 is a good service for me at least, even though I too don't recognize more than a couple names on that list and certainly don't enjoy rap.