Holiday

Holiday is the 2nd track and sub-track in debut single album Who Dis?. It was released on May 19, 2020.

Official

 * SECRET NUMBER "Holiday" Dance Practice (Fixed ver.)
 * SECRET NUMBER - Holiday (Official Audio)

Live

 * {SOUND K} SECRET NUMBER (시크릿넘버)'s Singin' Live 'Holiday'
 * {IDOL RADIO} 200525 SECRET NUMBER(시크릿넘버) - Holiday /아이돌 라디오 직캠

Download/Stream

 * Spotify
 * Apple Music
 * Amazon Music