Are there music CDs not copyable onto iTunes?

MacBook on OS X, 10.6.8 Build 10K549 Serial Number W8******ZA9

I have encountered a couple of CDs that the MacBook will eject due

perhaps to stringent copy protection. I have no idea.

I´d like to load them onto iTunes and then to my iPod and my iPhone. But I´m thwarted!

Any ideas?

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