30 Girls 6 Concepts is an EP by contestants of the South Korean survival show Produce 48.

[1] Produce 48 was a South Korean survival show that aired on Mnet from June 15, 2018, to August 31, where 96 female trainees from various entertainment companies competed to debut in a 12-member girl group which would promote for two and a half years under Stone Music Entertainment.

[2] All the songs also entered the Kpop Hot 100 on the week ending August 26.

[5] In its third week, "Rumor" placed at number 66 on the Digital Chart and at 68 on the Hot 100, meanwhile "To Reach You" at 97 on the latest.

[6][7] In its fourth week, "Rumor" placed at number 80 on the Digital Chart and at 77 on the Hot 100.