[7] The boy band's career began with the release of their debut single, "Tilaluha", in 2018, which had a weak reception.

[8] They pursued dance-pop sounds in later releases[9] and achieved mainstream success after their second single, "Go Up", went viral on YouTube in 2019.

[10] The band signed a recording deal with Sony Music Philippines later that year and released another single, "Alab (Burning)".

[11] In 2020, COVID-19 community quarantines in the Philippines led to the release of "Ikako" as a homage to healthcare workers, which was available exclusively on YouTube as a promotional single.

[13] In 2021, SB19 released their first EP, Pagsibol, completely self-written by the band's leader, Pablo,[14] which experimented with different musical styles, such as hip hop and EDM.