What girl group writes and composes their own music and also debuted a single and music video on the same day?
Pristin Pristin (Hangul: 프리스틴 ; stylized as PRISTIN and formerly known as Pledis Girlz) is a South Korean girl group formed by Pledis Entertainment in 2016. The group is composed of ten members: Nayoung, Roa, Yuha, Eunwoo, Rena, Kyulkyung, Yehana, Sungyeon, Xiyeon and Kyla. Most of them appeared on the television show "Produce 101" and, as the prize for becoming two of the top contestants, Nayoung and Kyulkyung went on to debut as part of the project girl group I.O.I, before reuniting with the other members to debut as Pristin on March 21, 2017, with the first mini album "Hi! Pristin". Like their labelmate group Seventeen, Pristin is known for writing and composing their own music.
Boss (Fifth Harmony song) "Boss" (stylized as "BO$$") is a song recorded by American girl group Fifth Harmony. The song was released as the first and lead single from the group's debut studio album, "Reflection". Serviced to contemporary hit radio on August 19, the song was written by Eric Frederic, Joe Spargur, Daniel Kyriakides, Gamal Lewis, Jacob Kasher and Taylor Parks, and was produced by Frederic, Spargur and Daylight. "Boss" is a dance-pop song with additional instrumentation including trumpets, handclaps, horns and heavy bass that create a rhythmic militaristic sound. Lyrically, the song focuses on themes of feminism, female empowerment, confidence and reversed gender roles. Critics drew comparisons to the works of previous girl groups such as Destiny's Child.