Only audio music streaming is data-free when streamed through the participating apps from your mobile phone.
The following will incur data charges:
- Music streaming via any websites
- Music streamed via 3rd party providers
- Song downloads
- Data tethering
- Video content
- Non-music content such as album art, ads, authentication and app analytics
If you'd like to install one of the participating apps, then data charges may apply to download them.