The votes cast for the two black nominees most likely affected the outcome. This was the first year that two black actresses were nominated for Best Actress.
Being that Lisa Minnelli's mother, Judy Garland- Hollywood Royalty, had passed away in 1969.The sympathy vote for Ms.Minnelli.
I wish the LSTB soudtrack were two separate discs: Diana Ross' singing and The Instrumental Score.
Being older now, I am keenly appreciative of Ms.Ross' vocal pathos.