Singer/song-writer Olivia Marsh, well-known as the older sister of NewJeans member Danielle, is set to release her debut single "42" on October 16 at 12 PM KST. 

"42" was composed and written by Olivia Marsh herself, and will be unveiled for the first time at 'SXSW Sydney' on the day of its release. 

Meanwhile, Olivia Marsh is the first artist launched by the global music label MPLIFY, a sub-label under Warner Music Korea. 

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