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All of them. I don't like to stream when I'm on cell, so I'll put what I want on my phone before I leave

Same here - don't use any streaming service - especially apples - I like the selected playlists option for iTunes sync - puts my most current music preferences by playlist on the phone and removes the others that I become tired of - back to the library for those. Easy to update and change.

Usually have 6 to 10 playllsts - 1000 songs ?
 
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