What girl group writes and composes their own music and also debuted a single and music video on the same day?
Wee Woo Wee Woo (stylized as WEE WOO) is a song recorded by South Korean girl group Pristin for their first mini album "Hi! Pristin" (2017). It was released as the album's title track on March 21, 2017, and served as the group's debut single. An accompanying music video also premiered on the same day. The song was written by Sungyeon, one of the members from the group, Bumzu, Sophia Pae and Gustav Karlstrom.
New Year (song) "New Year" is a song by British girl group the Sugababes, released as the second single from their debut studio album "One Touch" (2000). The song was written by group members Siobhán Donaghy, Mutya Buena and Keisha Buchanan in collaboration with Cameron McVey, Jony Lipsey, Felix Howard and Matt Rowe, and produced by McVey, Lipsey and Paul Simm. "New Year" is a pop and R&B ballad with influences of soul and alternative rock. It features acoustic instrumentation, and the lyrics describe the experience of breaking up on Christmas Day.