I've been so happy with my iPod, iTunes, and CDs. It's very simple to manage, works without internet, and I already had a decently sized collection of music on there. Listening to new music is so much more intentional. And it works with my Sennheisers and AirPods Max using the headphone jack! I've been buying complete albums to listen through.
My three favorite recent purchases have been Paul McCartney's Ram, Jack Johnson's In Between Dreams, and John Mayer's Paradise Valley.