Off topic but very interesting :)
Does anyone have any idea how these people is able to do things like these?
The only information I found is this:
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SD What technology did you use for recording?
RP: The video might look ‘easy’ but its not. We used really professional hard and software, since we also have to protect the level of recording that we put of there Rotterdam Philharmonic Orchestra. Besides that we believe that the quality is part of the impact a message like this has.
(We asked Mike for further specifications). Mike adds: In general, what we do is we pre-produce a click-track which the musicians play to. Keep in mind that you have to think about tuning and intonation. Then we put all those videos in sync and work on the sound with professional studio software and equipment. [....]
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What does they mean with "click-track" ?
Thank you, g.