Soajaeng for folk music

The ajaeng has seven or eight strings made of twisted silk, and is played by means of a slender stick made of forsythia wood or horsehair. Its front plate is made of paulownia wood and the back plate is made of hard chestnut wood. The larger one has seven strings, called a daeajaeng, is used for court orchestral music, while the smaller soajaeng has eight strings and is used for folk music or solo performances.