• Source: List of Build Up: Vocal Boy Group Survival contestants

Build Up: Vocal Boy Group Survival is a South Korean reality competition show, where male vocalists ranging from current and former idol members, soloists, singer-songwriters, musical actors and individual trainees are competing to debut in a four-member vocal boy group. The 40 contestants are divided into four type of voice colors: Allround, Soul, Power, and Unique. After the final episode, the final top four contestants were selected to debut as members of the boy band, B.D.U (Boys Define Universe).




Contestants


The English names of contestants are presented in accordance with the official website.

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= Prior to Build Up

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Voice Check-in (Episode 1)


The Voice Check-in involved all the participating contestants to listen to each other's voice files and vote for the voice they want to build up with. The self-assessment is based on the votes of other 39 contestants.

Key
Name – Allround
Name – Soul
Name – Power
Name – Unique




Pre-4 Mission (Episode 1–2)


For the Pre-4 Mission, each contestant chose a song and formed a 4-member group to perform a single stage. The ranking on Voice Check-in has a big impact for this mission and if the song has filled with four members, the lower placed contestant must choose another song. Although it is a group mission, the evaluation is individual, and the most voted team member by the judges becomes the top tier and has the right to select the lower tier from the team.

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2 vs 2 Rival Mission (Episode 3–5)


In 2 vs 2 Rival Mission, contestants formed a duet and competed against another duet. The top tiers from Pre-4 Mission can partner with anyone in all sections (Top, Middle and Low), the same matching rule applies with middle tiers but only to sections M and L while low tiers can only team up in their respective section. Another rule is the low tier contestant cannot refuse the top tier contestant's offer to form a team and if picked by more than two then the contestant could choose his partner. The duet with a higher judge score wins and the losing team is a candidate for elimination.

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Triple Death Match Mission (Episode 5–7)


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One Team Mission (Episode 8)


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Semifinal Mission (Episode 9)


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Final Mission (Episode 10)


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Notes






References

Kata Kunci Pencarian:

• List of Build Up: Vocal Boy Group Survival contestants
• B.D.U
• Jay Chang
• Waterfire (band)
• Boys Planet
• Park Je-up
• Produce X 101
• Under Nineteen
• The Origin – A, B, Or What?
• Yeo One