☆Ji Sung-ja was born in 1945 and was taught Gayageum Sanjo by her mother Seong Geum-ryeon.

At the age of eight, she started to perform on stages and won the prize through a number of performances and concerts. Seong Geum-ryeon ryu(school) Gayageumsanjo achieved a new era of Gayageum Sanjo by composing the 15th-stringed gayageum improvement and performance pieces with a strong sense of art and stubbornness that values tradition.