Be Natural

The music video for "Be Natural" features Bada sporting a short haircut and a more tomboyish look.

of the same name, it was recorded by the then-quartet Red Velvet and released by SM Entertainment as a digital single on October 13, 2014.

Written and produced by SM songwriter Yoo Young-jin, the jazz-influenced R&B track was the group's second digital release in 2014, featuring a rap verse from then-SM Rookies Lee Tae-yong, who would later be the leader of South Korean boy group NCT and NCT 127.

[6] As part of promotions for SM Entertainment's pre-debut group SM Rookies, which three of the members were a part of, a performance video of "Be Natural" by member Irene and Seulgi (then-known as SR14G) was uploaded onto the label's YouTube channel on July 17, 2014, shortly before the video teaser for "Happiness" 10 days later.

The first teaser was released on October 6, 2014, showing all four girls in suits, hinting at a transition to a more mature concept from their first single, "Happiness".

Entertainment released the music video for the song on their official YouTube account hours later.

"Be Natural" is mainly an R&B song composed and arranged solely by songwriter Yoo Young-jin, with strong influence from soul and jazz elements.

The music video was directed by SM performance director, Shim Jae-won, who also worked with renowned choreographer, Kyle Hanagami, for the choreography.

[11] It also featured then-SR14B member Taeyong performing the rap verse, instead of not including the rappers in the original video by S.E.S.