An avid music fans, Parken's brothers decided to create a music band. When Peter was 13 years old and Liam was 16 years old, they called band FIRST DAY, with reference to first day of your rest of your life. After composed a many songs, Liam contact an concert's organizer for student and submit an open application. Their song “Don't jump“, recorded by friend, which makes to be in the programming. However, band was just composed of Peter and Liam. Before performance, a friend became a guitarist (2008-2011). Despite efforts, FIRST DAY didn't got a drummer. Explaining the situation to their oncle, Arthur, they decided to propose him to be a drummer just for one perform only, while he was a guitarist. Many practice were came one after another in a old workshop until the performance. Stage addict, band decided to continue to play. A new guitarist was on the stage with FIRST DAY during many performances. Well in 2012, Launably joined band with her piano. After years of performance, FIRST DAY launch an album in 2016 calls FIRST DAY. Parken's Family.