Conversation so far:
What controversy surrounds Jack White?
White was charged with misdemeanor aggravated assault.
Did he plead guilty to the charge?
He pleaded guilty to the lesser charge of assault and battery, was fined $750 (including court costs), and was sentenced to take anger management classes.
Who was he accused of assaulting?
White was involved in an altercation with Jason Stollsteimer.
What caused the altercation?
CANNOTANSWER.

Question: How did this controversy affect music sales?
Self-contained rewrite: How did the altercation between Jack White and Jason Stollsteimer affect Jack White's music sales?