audio distortions after recording

[Martin Naef]

Gert van Santen wrote:
> My friend Hans (former music-bar) has recorded some live 
> classical music with a Powerbook 1,5 GHz, 1 GB RAM (I suppose) 
> and a Focusrite Octa Pre. He finds parts of his recordings are 
> distorted.
> 
> I advised: extra RAM, fast external Hard Drive, newest drivers 
> for OctaPre.

Huh? What kind of "distortion" are we talking about here?

If it's not the usual kind (meaning he needs to get the levels right), 
how many tracks?

Martin