I would say that any musician wanting to make a quality video of an arranger performance should look for a camcorder with line-ins. Sadly, this feature is absent from most of them...

Mikes always leave you at the mercy of room acoustics and the speakers the arranger is played through, and this accounts for just how excremental most arranger videos are, at least in the audio department...

I was astonished that Zoom, an audio company who ought to know better, would market a video recorder to musicians, primarily, leaving off this utterly OBVIOUS feature.
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An arranger is just a tool. What matters is what you build with it..!