Confirmation:
It's believed the show was cancelled so Jim could attend his father's funeral.
"The Province" 5 June 1990 (Shane McCune) - "Bad news for fans of Faith No More: Due to a death in the family, the loud and weird San Francisco band has cancelled tonight's scheduled Commodore gig with Circus of Power."
"The Vancouver Sun" 5th June 1990 (John Mackie) - "Faith No More has cancelled its show tonight at the Commodore (a band member's father died on the weekend). The opening act, Circus of Power, has been moved to Club Soda. Refunds are available at point of purchase."