Play the Siren

Play the Siren as a hip-hop crew brought the genre of urban music to Korea by combining electronic music and hardcore rap. They made a mix tape on Baljunso's official Youtube channel and one of the members, Kasper as a solo artist did the same thing on her Youtube channel.

SM Entertainment acquired Baljunso in 2014. The two companies launched a showcase titled Baljunso World Wide Promotion in Hongdae on March 8 and it featured performances including HLIN, Love and Peace, and 015B's Jang Ho Il project band.[2] Following the announcement, SM Entertainment assisted to debut Play the Siren in the music industry with their single album, Dream Drive in July.[3]

On July 17, they released a teaser which featured Luna of f(x). She participated in their song and music video.[4] The song is addictive and powerful EDM sound with R&B genre, while the group's focus is hip hop and R&B, they work to combine different.[5] On July 21, the music video has released on Baljunso and SM Entertainment official YouTube, and debut on Music Bank.[6]

On 23 July, the song Cypher was released, making it their first comeback and their first full rap/hip-hop song.

A teaser for their upcoming comeback Green light was uploaded to YouTube on 19 April, 2015 before the official release on 27 April, 2015, this time with only 3 members : Kasper, Siren and Beckbum. On 16 July, a comeback was released but only starred member Siren, supposing that either it was his solo debut or that he's the only remaining member of Play the Siren. The comeback, I'll be there, featured singer Miel from the girl group Bay.b. With the departure of numerous members one by one (CJ, SQUALLA, ChiChi and lastly Kasper), Play the Siren disbanded in August 2015.