Snubs

[Mr.Mike.]

Voice tutorials may be helpful to figure out mistakes you might not realize on your own but they can only do so much, the best way is, as meph said, to train a lot. Nervosity will go away with increasing confidence in your doing.

For a Voice tutorial that covers a lot of things look here: https://www.youtube.com/watch?v=fBHSzjZd5j8&index=

No, I'm not sure I can understand what they say. I'm not too good at understanding English spoken.