I. Introduction:
Must.Be (Korean: 머스트비; Japanese: マストB) (formerly known as MustB) is a five-member boy group. They held their debut showcase on January 21, 2019, and released their first digital single "I Want U" on January 30, 2019.
On November 7, 2023, MustM Entertainment took to social media to announce that MustB has ended their contracts and left the company, however, the group has not disbanded.
On July 5, 2024 Must Be took to social media to announce that they have changed their name to Be:Max and beginning July 10, teasers will roll out for their new song release.
II. Members:
| Stage Name: Taegeon (태건) Birth Name: Im Tae Geon (임태건) Position: Leader, Main Rapper Birthday: April 9, 1993 Zodiac Sign: Aries Height: 177 cm (5’10″) Color Code: Blue Instagram: @mustb_taegeon He is a former member of Challenger and M.Crown He can speak Japanese |
| Stage Name: Wooyeon (우연) Birth Name: Kang Seok Kyu (강석규) Position: Sub-Vocalist Birthday: March 7, 1994 Zodiac Sign: Pisces Height: 185 cm (6’1″) Color Code: Indigo tallest member of the group can take the highest notes among the members |
| Stage Name: Doha (도하) Birth Name: Kim Do Hyun (김도현) Position: Lead Vocalist Birthday: April 3, 1995 Zodiac Sign: Aries Height: 178 cm (5’10″) Nationality: Korean Color Code: Green Instagram: @mustb_doha former member of hi5 and Underdog as Baekjin |
| Stage Name: Soohyun (수현) Birth Name: Kim Soo Hyun (김수현) Position: Main Vocalist Birthday: January 20, 1996 Zodiac Sign: Aquarius Height: 175 cm (5’9″) Color Code: Orange Instagram: @mustb_soohyun He can’t speak English fluently but he can carry on a casual conversation on English He used to be an athlete (he had played ice hockey for 6 years and had learned short track speed skating before that) |
| Stage Name: Sihoo (시후) Birth Name: Seong Wook (성욱) Position: Main Vocalist, Main Dancer, Maknae Birthday: October 29, 1998 Zodiac Sign: Scorpio Color Code: Purple Instagram: @mustb_sihoo He trained to debut in A to Z as Heemin He was a backup dancer for BTS‘ Idol former 1Million Studio dancer |
III. Discography
AS MUST B
Mini albums
- Let Me Rise Again (2020)
Single albums
Digital singles
- "I Want U" (2019)
- "Spring Again" (2022)
Special singles
- "Muffin Christmas" (2022)
Participation releases
- 2019 Korea Music Video Contest ("Diamond") (2019)
Other releases
- "All Day" (2022)
IV. Concerts
IVI. Online concerts
- 2021 MustB Camping Con (2021)
- MustB CAUTION : Sweet 2021 Untact Concert (2021)
IVII. World tours
- MustB 2022 World Tour (2022)
V. Awards and nominations
| 2021 | MustB | PocketDol Star | Won |
