Well, judging on the words you gave, I'd have to say B. Thou and Know. I'm only basing this on my memory, so I could be wrong! I hope I gave you some help!
Concert b flat or b flat normal concert cde
Because he will be simulating praticing in a crowd which will help him not get stage fright
In digital cameras, raising the ISO means a similar decrease in quality, with an increase in what's called "noise." It's the digital equivalent of grain and results in a sort of "chunky" look to the image.
