In 2018, Delliecia participated in the Indonesian Idol Junior Third Season and succeeded in winning the grand final held on 14 December 2018.

One year after its release, this single became the number #1 hit in Viral 50 Indonesia Spotify and some other digital streaming platforms.

In June 2020, Anneth collaborated with TNT Boys to cover a song from Ariana Grande and Justin Bieber entitled Stuck With U.

MUNGKIN HARI INI ESOK ATAU NANTI hit 80 million views in RANS MUSIC's YouTube channel within 6 months.

In October 2021, Anneth was chosen to represent Indonesia in the 2021 Asia Song Festival and became the youngest performer in the event's history, aged 15.