1. It's not that simple. There must be sufficient originality in the performance. If you record your orchestra performing the song, that's probably the case. If

1. It's not that simple. There must be sufficient originality in the performance. If you record your orchestra performing the song, that's probably the case. If you mechanically convert a composition to MIDI and then have standard MIDI instruments automatically perform it, that's probably not the case. 2. The copyright claimant wasn't even Samsung. So either the copyright claimant actually infringed Samsung's copyright on the performance (to the extent that such a copyright exists), or their performance is separate from the performance in the video that was detected as copyright infringement, in which case the only thing the two videos had in common was the public domain composition.