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I subscribe to Apple Music (streaming) but not iTunes Match. I ripped a (somewhat rare?) CD, and was surprised to see its status as "Uploaded". Sure enough it plays on my other iTunes-enabled devices.

Since I'm not paying for Match, what service/subscription is this part of? What are the limits? The file does not seem to be counting towards my iCloud usage, at least not from what I can see in the System Prefs usage graph.

iTunes screencap

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This service is part of iCloud Music Library, which is a feature of both MUSIC and iTunes Match. It uploads songs that did not match against the iTunes music collection, and does not count towards your iCloud storage allowance.

iCloud Music Library as a whole is a broader service that encompasses the following:

  • Purchased tracks (previously called iTunes in the Cloud)
  • Tracks matched or uploaded with iTunes Match
  • Tracks matched or uploaded with Apple Music
  • Streaming tracks that you’ve added to My Music, if you have an Apple Music subscription

When the “music locker” functionality launched originally with iTunes Match, the limit was 25,000 songs. However starting in December 2015, this has been increased to 100,000 songs.

Note that some songs may be ineligible to be either Matched or Uploaded. This includes:

  • Songs with a bitrate of 96 kbps or lower
  • Some songs encoded in 24-bit
  • Songs larger than 200 MB
  • DRM-protected songs, and songs your computer is otherwise not authorized to play
  • Digital booklets and other non-song items in your iTunes Music Library
  • Music videos that weren’t purchased on the same iTunes account

Regarding the first two, you can re-encode them in 16-bit, 128 kbps, and you might get a 256 kbps Matched version out of the deal.

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    Interesting. I wonder if it's just fingerprinting my files that do not exist as official Apple Music offerings, checking to see if others have uploaded them (as part of Match, etc.) and then declaring them as "uploaded", by virtue of there being a matching hash. Otherwise, randomly uploading user content (potentially many GB) without asking seems somewhat user-hostile. Thank you for the thoughtful and comprehensive answer. Aug 12 '17 at 15:06
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    I’d love to be proven wrong, but as far as I know, there is no deduplication going on (Apple does not match your uploads against uploads from other users).
    – user11633
    Aug 12 '17 at 20:03

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