Sin Si Ern (born 1992) is a Singaporean pianist. She was hailed by TIME
Magazine as one of Asia's small wonders and a bona fide prodigy when she
was ten years old. By the age of eleven, she attained her Licentiate of
the Royal School of Music (LRSM) in Piano Performance.
In 2006, she performed a number of Frank Zappa pieces.
A recording of this concert circulates as "Abigail Sin Plays Frank Zappa".