Kim Ok Ju

Kim progressed her career part of the "Moranbong Quartet" singing with Wangjaesan Band & Pochonbo Electronic Ensemble.^{[2][unreliable source?]} Her career kicked off more with the Unhasu Orchestra singing many songs solo but also singing songs with the wider Moranbong Ensemble sextet. After the Unhasu Orchestra disbanded in 2013, she appeared in the newly formed Chongbong Band in 2015.^{[3][unreliable source?]} From 2017, she was moved from the Chongbong Band to the Moranbong Band where she wore a military uniform of a Major which is the second highest within the band after Lieutenant Colonel, she was described as the vocal manager of the Moranbong Band.^{[4][unreliable source?]} She appeared once at a Samjiyon Orchestra concert on the 31st December 2019.^{[5][unreliable source?]}

Kim Ok Ju joined the Band of the State Affairs Commission following its formation in 2020,^[6] since joining the band she has sung and starred in a series of state media music videos^[7] and as well starred in a multitude of concerts watched by Kim Jong Un.^[8]

In 2021, she was awarded the title of "People's Artiste" at an award ceremony in the Mansudae Assembly Hall, according to state media it was awarded because the band "distinguished themselves in creative activities for ushering in a new period of efflorescence of socialist literature and arts, true to the important tasks set forth at the 8th Congress of the Workers' Party of Korea"^[9]

She has performed several Russian songs at the concerts on the occasions of visits of various Russian delegations, including Vladimir Putin ^[10]. She was lauded for her perfect Russian and excellent vocals.

In 2025 she performed at the concerts for KPA soldiers returning after deployment in Russia ^[11].

In 2026 she performed Belarusian songs at the concert on the occasion of the visit of the President of Belarus Alexander Lukashenko ^[12][13].