IU Gifts Fans With Special Anniversary Track 'Autumn Morning'

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 IU performs during her concert on July 31, 2016 in Wuhan, Hubei Province of China. 

South Korea’s little sister of a songstress IU surprised fans on Monday (Sept. 18), with the release of a brand new song.

“Autumn Morning,” a track originally released in 1991 by Korean folk singer Yang Hee-eun and guitarist Lee Byung-woo, was released four days before IU’s upcoming A Flower Bookmark Two album, to coincide with the singer's ninth anniversary in the industry.

The updated version of the track features IU’s soft vocals predominantly unaccompanied as she sings about waking up in the titular morning. The singer collaborated with guitarist Jung Sung-ha and folk musician Hareem to add soothing guitar and tin whistle elements to the middle third of her update of the track. 

“When I was young, I often listened to the album of the two [Lee and Yang] -- whom I admire for their musical talents, as I could feel the fresh charm,” IU said, reports the Korea Herald.

As one of the most popular soloists in South Korea, IU’s seen numerous hit tracks ever since breaking out with "Good Day" in 2010, two years after she debuted with "Lost Child." IU’s new album will be the second in her cover series A Flower Bookmark, the first of which came out in 2014. A Flower Bookmark Two will be her second album of the year, following up April’s chart-topping Palette.

“Autumn Morning” is a special pre-release track that will be followed by the full album, which will be released later this week on Sept. 22. 

In anticipation of the album, IU released a retro-themed music video teaser today showing the singer collapsing after a not-so-fun night out and smashing an alarm clock. Watch it here: