Erica Baek graduated from the Gnessin Music School in Moscow, Russia. She later completed an Opera Accompaniment Course at Milano Academy in Milan, Italy. She has worked as a piano accompanist in Italy and Korea, performing Opera scores. 

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In addition to vocal pieces, she is active as an accompanist for various instruments such as violin, cello, and flute, and she also performs as a soloist. Her class focuses on piano instruction.