How can I play audiobooks and music from the same playlist, in the same app, on my iPhone?
I'm not really sure where to post this because it applies to music and audiobooks and iTunes, but this corner of the support community seems the most likely to be read by people with similar issues.
I've got playlists in iTunes that are a mix of Media Kind = Audiobook and Media Kind = Music. In iTunes, they're in the same playlist, and I want them to stay in the same playlist - they're language lessons. But on my iPhone, the audiobooks disappear from Music and appear in iBooks (and in Audiobook Browser, the app I prefer to use for Audiobooks). What was the same playlist is now not just in two different playlists, but in totally different apps.
Is there a way to play these files from the same app on my iPhone, rather than having them split across two apps? I guess the most likely option is an app that includes all audio files on the iPhone, not just music, and not just audiobooks. Does such an app exist?
(Yes, I could theoretically change them all to Music, or all to Audiobook, but lots of these have four-digit track numbers, and if I edit those files the track numbers will disappear and the playlists will be totally messed up.)
Thanks in advance.
iPhone 5, iOS 9.2