Esa Ruoho <esaru...@gmail.com> wrote: Hi Robin. Ruby used my tunes and added them into the video herself while > editing it, going to great pains to get the levels and balance between song > and voice right. >
You should not have the song and voice at the same time. That makes it hard to hear what the people are saying. It is unnecessary background noise. This is a scientific presentation, not a car advertisement. A little music at first is okay, but it should fade out.