This was demonstrated vividly when Andy Serkis read The Hobbit unabridged live for charity then did a separate recording as a commercial release. Both were grea

This was demonstrated vividly when Andy Serkis read The Hobbit unabridged live for charity then did a separate recording as a commercial release. Both were great, but you could see how many minor flaws were in the live recording that would have had to be re-recorded in the commercial version. (I’ve no idea how long it took to record the Lord of the Rings which he did a year later)