[4] In 2016, South Korean entertainment company ShowBT branched out in the Philippines and opened a talent audition for Filipinos aspiring to become professional performers.

[6] On several accounts, the SB19 members recalled how rigorous the sessions were wherein hours of nonstop and unpaid training daily while juggling with their work.

[8][9] With a message centered on heartbreak and unrequited love, the song was intended to introduce the band and their powerful vocals in which it debuted poorly to charts.

[12] The group had gained public attention after the dance practice video of the song went viral due to a tweet of a fan account.

[16] In 2022, Santos joined his independent musician cousins Ocho the Bullet and Carrot Mayor on their track "Sofa (Remix)", released on YouTube and Apple Music.

[17] On February 24, Josh Cullen made his debut as a solo artist, releasing a single called "Wild Tonight".