Nick Redman (Twilight Time) was a producer of the complete score of The Private Lives of Elizabeth and Essex, released on CD in 1992. You can download this at Amazon for $10
Yes, but that conversation was many years after Errol died---
When watching The Private Lives of Elizabeth and Essex many years later with her great friend Olivia de Havilland, Bette admitted she was wrong about Errol: "Damn it! The man could act!"
And that slap! Don't forget that slap!
"The most beautiful person we've ever had on the screen... He openly said he knew nothing about acting, and I admired his honesty because he was absolutely right."
-- Bette Davis on Errol Flynn