iTunes contains some DRM (Digital Rights Management, otherwise known as "Copy Protection") in some of its music.
Apple has loosened some of the restrictions, in later versions, but one should be able to use the old workaround to use iTunes music:
What happens when you use Get Media>Files and Folders, navigate to your particular iTunes song, and attempt to Import it?
Hey Bill I was wondering if you might be able to help me in a similar situation? I have no problem adding music from my Itunes to my project, but when I try to upload the video to Youtube, or store it on my computer in movie form, the audio doesn't come with it. Any ideas?
Maybe I can help.
Many users (for several versions of PrE now) have encountered issues, when Audio files are placed onto either of the Fixed Audio Tracks, Soundtrack, or Narration. These issues appear to be Project-centric, in that things work well in one Project, or work well for a period of time in a Project, and then the problems arise. When they do, most of those users have found that just by Moving their Clips from one of those two Fixed Audio Tracks, to a free "regular" Audio Track.
I have never had an issue with either of those two Fixed Audio Tracks, but after many began reporting their issues, just stopped using them - that could well explain why I have never encountered it. As I use PrPro most often, and there are NO Fixed Audio Tracks - just regular ones - that is my habit anyway.
Try Moving those Clips to a free/empty regular Audio Track, and test.
Also note that YouTube has become much more aggressive about blocking copyrighted and copy-protected music and video. We're seeing more and more reports of videos posted to YouTube in which YouTube censored the audio because someone used music from iTunes or other copy-protected sources.
Very good and important point. Besides YouTube, Vimeo, and other video-hosting sites are doing the same.
Most such sites are under increasing pressure from ASCAP, BMI and other rights holding organizations.
Once, YouTube was rather laissez faire, "hands off," regarding music, or images. Then they began requiring citations for origin/rights, and now they just do not allow © material (usually with a little disclaimer about it), at all.
That is another reason that I rely much more on SmartSound, or original music, that are either Royalty-free, or for which I can secure usage rights.