[1] The band currently consists of vocalist Tantri Syalindri Ichlasari, bassist Swasti "Chua" Sabdastantri, and guitarist Mario "Cella" Marcella.
[2] Kotak was formed by vocalist Julia Angelia "Pare" Lepar, bassist Prinzes "Icez" Amanda, guitarist Mario "Cella" Marcella, drummer Haposan "Posan" Haryanto Tobing and guitarist Qotrunnada "Qoqo" Fitriana on 27 September 2004 after they won TV7 (Indonesia)'s "The Dream Band" 2004 talent competition.
[2] Kotak album consists of 10 songs, including "Hilang", "Terbang", "Damai Hati", and "Kau Pilih Dia".
Three years later, the band released a new album titled Kotak Kedua, that garnered critical acclaim in Indonesia and Malaysia.
[2] Shortly thereafter, the lead vocalist's position was filled by a female singer Tantri Syalindri, and Swasti "Chua" Sabdastantri replaced Icez on bass.
[7] The group was invited to perform in Singapore, at an event called Muzik FM, organised by Superstar & Legends and Raistar Entertainment.