After upgrading world I've found that amarok now misses musicbrainz support. I have musicbrainz-2.1.2 installed. I've found that I have tunepimp-0.3.0-r1 but I can't upgrade (all versions masked). Thanks Simone.
Yes. See Bug 140184.
*** Bug 145053 has been marked as a duplicate of this bug. ***
*** Bug 147024 has been marked as a duplicate of this bug. ***