(Photo : Naver)

On the 17th of October 2020, her agency, Plus Media, announced that Song Ha-ye would release the 1st mini album "To Be Happy." The title song is called "I'm Happy," and it is a ballad song that contains the message "if there is someone who embraces me as I am, that is happiness."

Also, "Night of the day," "Looking for the back," and "Become a comparison" is included in the album. The agency revealed, "Song Ha Ye will take on various genres that have not been shown through this album." Song Ha Ye appeared on KBS2's'Music Bank', which aired on the afternoon of the 23rd, and decorated the stage with the new song 'Happy.'

On this day, Song Ha-ye showed off her vocal skills with a stronger tone. In particular, Song Ha-ye deeply revealed his own emotional line with a delicate yet sorrowful voice that touches the listeners' hearts. The title song 'Happy' of Song Ha Ye's first mini-album 'To be happy' is characterized by a dynamic composition reminiscent of a drama, a sweet melody, and a sophisticated medium tempo.

Song Haye is a singer who debuted in 2013 after taking part in audition programs such as Made in U and K-POP Star Season 2. After taking part in K-POP Star Season 2, she released two digital singles with other singers who took part in the show and made her official debut through Hello Music Entertainment.

Her works include, Your Regards (single, 2019), Soondae (single, 2016), Promise Me feat. Skull (single, 2015), Ice Summer (single, 2015), My First (single, 2013), Women are Like That (single, 2013), You Made Me Love You (single, 2013). She is also widely known as a popular OST singer, having contributed to some of the most beautiful and well known OSTs such as the Hotel Del Luna OST, Say Goodbye, Meant To Be (Woman Ver.) - My Only One OST (2019), It's Too Late - My Only One OST (2019), Unfilled Empty Seat - A Pledge to God OST (2018),The Love That Makes Me Live - Lady Cha Dal Rae's Lover OST (2018), Stay With Me - Death Song OST (2018), Reveal Yourself (superstar) - Lady Cha Dal Rae's Lover OST (2018), Gap - Love to the End OST (2018), Cool Love (I Love You!!) with Lee Do Hoon (이도훈) - Sunny Again Tomorrow OST (2018), My Spring - Rich Man OST (2018), You To Me, Me To You - Sunny Again Tomorrow OST (2018), A Poem For Poetry - A Poem a Day OST (2018), Late Regret - Mysterious Personal Shopper OST (2018), Jump Hard - Love Is Drop by Drop OST (2017), Your Love - Blow Breeze OST (2016), Someday - Rude Miss Young-Ae: Season 15 OST (2016), So Sweet - Here Comes Love OST (2016), Because I Love You - Start Again OST (2016), If You Come To Me Tomorrow - Good Person (2016) OST (2016), Seeing Often By Chance - Ms. Temper & Nam Jung Gi OST (2016), A Star - Glamorous Temptation OST (2016), If You Come Into My Heart - Witch's Castle OST (2016), Only You - My Home's Honey Jar OST (2015), Tears Like A Star - The Mother and Daughter-in-Law OST (2015), I'll Make You Smile Once a Day - A Daughter Just Like You OST (2015), My Heart is By Your Side - The Bird That Doesn't Cry OST (2015), Be Alright - Blood OST (2015), I Didn't Know of the Pain - Abiding Love Dandelion OST (2014), Jealousy - Best Wedding OST (2014) and You Give Me Happiness - Cheongdamdong Scandal OST (2014).