“Twinkle, Twinkle, Little Star”

Lapwood says the artists are all connected by an enthusiasm for "messing around" with music, citing Sumino's viral video of the "seven degrees of Twinkle, Twinkle Little Star".

With their unique potion of humor and forthrightness, the most famous ones, “Where the Wild Things Are” and “In the Night Kitchen,” are as unforgettable as the Pledge of Allegiance or “Twinkle, Twinkle Little Star.”

“Twinkle, twinkle, little star,” Rania sings into the phone.

“Twinkle, twinkle, little star,” I say.

A 1-to-1 ratio means notes are evenly spaced, like in “Twinkle, Twinkle, Little Star,” but a 1-to-2 ratio means the time from one note to the next is uneven, like in “Itsy Bitsy Spider,” Dr. Roeske explained.