[1] He has been recognized for re-introducing the jazz rap sound in the early to mid 2000s with his jazz-hop album Windmills of the Soul.

[2] Kero One originally worked as a web designer, making 50 copies of his first single with home equipment and personal credit cards.

[3] In 2012, Kero one released his fourth solo album, Color Theory, which raised over $10k from fans to pay for the mastering and engineering costs through Kickstarter.

The song received a major endorsement from Stevie Wonder, who asked Kero One to perform it at Wonder's 17th Annual House Full of Toys Benefit Concert on December 15, 2012 at Nokia Live Theatre with Bruno Mars.

The viral video brought Hyo Joo Ko international fame and renewed interest in Kero One's older song.