By wearing a brain cap linked to a laptop with a screen of chequered patterns to focus on, her thoughts create music played by cellist Jane.
To say this body's advertising record has been chequered is to imagine a board of uniformly dark squares.
The history of Olympic stadiums is chequered, due to the difficulties in planning for a future beyond the Games.
Under pressure, Rosberg brakes too late into the first chicane and is forced to take to the escape road for the second time as Hamilton takes the lead and holds it to the chequered flag to reduce his deficit in the title race to 22 points.
The unlucky soul was Stephen Fry, to whom Hirst offered his penis on a plate with the words, "Sausage, sir?" With his chequered sexual past, not to mention his allegedly dubious recall, it's perhaps no wonder that the precise number of Allen offspring is disputed.
His record on civil rights is chequered by his failure to improve the lot of African Americans, and a policy of segregation for federal employees.
Media applicants also tend to have chequered careers, changing jobs regularly as they move between projects and working in a variety of roles.
People will look at my career and say it's OK, others will say it is chequered, that's up to them.
Terry's England career has been chequered and his determination to put his body on the line even when suffering injury means he has become an increasingly fragile physical presence in the ranks.
Keep this part of your chequered past to yourself, unless you want to fill a new lover with worry and concern.
