I'm sure there'll be an option to stream at a different quality and an option to download the lossless versions, which you could do over wifi. For both Spotify

I'm sure there'll be an option to stream at a different quality and an option to download the lossless versions, which you could do over wifi. For both Spotify and Apple Music, I stream at "normal" quality, but download at "high" quality. I'm sure those options will extend to lossless.