fuagf -- as to the sound thing, it's been my experience that the sound on YouTubes occasionally acts up randomly/erratically like that, usually when having or having had different things open and/or it's been a while since a restart -- fwiw
Greensburg, KS - 5/4/07
"Eternal vigilance is the price of Liberty."
from John Philpot Curran, Speech
upon the Right of Election, 1790
F6