How does Apple Music match work
Because telling somebody is so hard to do .....
Add music from your own collection to your Apple Music library
With your Apple Music membership, your existing music collection is available on all of your devices.
When you first join Apple Music, we identify the songs in your personal music collection and compare them to the Apple Music catalog. If we have your songs in our catalog, we make them instantly available to access on all of your devices during your membership. Songs that we can?t identify can be uploaded with iTunes into iCloud for listening on all your devices.
Songs that you bought from the iTunes Store with the same Apple ID that you use for Apple Music are always available on all of your devices.
Upload songs with iTunes from your Mac or PC
To add tracks from your Mac or PC to your Apple Music library:
Sign in to iTunes on your Mac or PC with the Apple ID and password that you use for your Apple Music membership.
Make sure iCloud Music Library is on.
How Apple Music handles your uploaded songs
You can have up to 25,000 songs in your music library. Songs you purchased from the iTunes Store don't count against this limit.
Only songs under 200 MB or less than 2 hours are uploaded.
Songs that are encoded in ALAC, WAV, or AIFF formats will be transcoded to a separate temporary AAC 256 Kbps file locally, before they're uploaded. The original files aren't changed.
Songs that are encoded in AAC or MP3 formats must meet certain quality criteria to be matched or uploaded.
Songs that contain DRM (Digital Rights Management) must be authorized for playback on your Mac or PC to be matched or uploaded.
Songs that you upload with iTunes won?t take up space on your devices, unless you save them to listen offline.
Apple Music doesn't include a backup service. Be sure to back up your iOS devices, and your Mac or PC, so that you have a copy of your music and other information if your device is ever replaced, lost, or damaged.
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