1. 2012-06-29 [Bug 301385] prevent adding duplicate tracks amarok-bu arne anka 2. 2012-06-29 [Bug 301385] prevent adding duplicate tracks kde-bugs- arne anka 3. 2012-06-07 [Bug 301385] prevent adding duplicate tracks amarok-bu Myriam Schweingrub 4. 2012-06-07 [Bug 301385] prevent adding duplicate tracks kde-bugs- Myriam Schweingrub