Kat had some pitch problems with the dramatic tune, but bathed in light and with outstretched arms, season 5's eventual runner-up cut a striking figure on the Idol stage.
Song: ''Bohemian Rhapsody'' Theme Week: The Year You Were Born performed by the Top 8 Constantine, who graduated from the Boston Conservatory where he studied musical theater, brought equal parts theatricality and terrific vocals to the difficult-to-sing Queen classic.
''You're like a robot when you sing.
Unfortunately, despite a solid performance, Bucky would be eliminated the next night.
Simon called it one of the best Queen Week performances.
It's a combo that would help him earn a Tony nomination when he later starred in ''Rock of Ages'' on Broadway.