Abigail Sin Si Ern (Chinese: 冼思恩; pinyin: Xiǎn Sī Ēn) (born 1992 in Singapore) is a Singaporean concert pianist.
[2] Sin was educated at Methodist Girls' School, where she excelled academically, particularly in mathematics and creative writing.
Abigail graduated from Yong Siew Toh Conservatory of Music in 2010 at the age of 18 as the top student of her cohort with first class honours and winning the Lee Kuan Yew Gold Medal.
In 2001, at the age of nine, Abigail Sin gave her debut solo recital at CHIJMES in Singapore.
In May 2009, Abigail was honoured at the inaugural President's Command Performance at the Esplanade Theatre in Singapore alongside prominent Singaporean artists such as legendary avant-garde pianist Margaret Leng Tan and pop sensations JJ Lin and Stephanie Sun.