The Clash (season 4)

• Golden Cañedo[3]
• Garrett Bolden[4]
• Anthony Rosaldo[5]
• Lyra Micolob[6]
• Muriel Lomadilla[3]
• Dani Ozaraga[7]
• Jeremiah Tiangco[7]
• Thea Astley[4]
• Jennifer Maravilla[8]
• Jessica Villarubin[9]
• Jennie Gabriel[5]
• Sheemee Buenaobra[10]

The show opens online auditions on May 3 for the season to singers aged 21 and above, following strict guidelines during the COVID-19 pandemic in the Philippines.[11]

The first ten clashers, from Metro Manila, of the Top 30 was announced on August 21, 2021 followed by the next group from Luzon on August 22 and the last ten singers (2 from Visayas and 8 from Mindanao) on August 23.[12] Before the show's premiere, Iris Jule from Davao City and Mike Luna from Pangasinan withdrew from the competition due to prior commitments. They were replaced by Yvette Celoso from Lanao del Norte and Kaye Eliseo from Muntinlupa.

One of the 30 clashers will be electronically selected and will choose the opponent to battle it out in a singing duel with the winner advancing to the next round. For the fifteen temporarily eliminated clashers; five of them will be saved by the judges but in the following battles, one clasher would later be swapped out to another until the end of Round 1.[13] Melanie Guevarra quit the show for unknown reasons during the second round until the last battle of the remaining three clashers from each group. Originally, a wild card round for the sixteenth spot was contended for the five losing clashers in each battle in Round 2 after Guevarra's departure until the judges choose two of them to complete the Top 16.

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^aRaffy Roque and Sky Valentine participated in The Clash Back in place of Eliseo and Uy.
^bVilmark Viray was reinstated in the competition after beating out Renz Fernando in The Clash Back on December 12, 2021.

For the fourth season; the first round changed to the format of the Laban kung Laban round from season 2 and Kakulay Kalaban from season 3, where the show divides the 30 clashers into three groups. Below is the groupings selection.

The randomizer will select the clasher to choose their opponent from their respective group to advance in the next round with the majority of the panel's votes. This season introduces The Clash Rebound where the Top 30 clashers who lost in the first round will be given an opportunity to be reinstated in the competition. The judges will select the majority of the losing contestants they wanted to advance in the second round and fill in the five seats of the blue group. However, if all five clashers are already selected, the judges could replace them if they preferred a later performer until the end of the first round.[14]

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The new format for the second round is a four-way battle where four singers (one from each group) will be given one minute to decide who will perform to compete for three places in the Top 16. If none of the singers from the groups decided to volunteer, the randomizer will select the four of that night. The host will select the clasher to perform first in each episode. Below is the groupings selection. Italicized names are those electronically selected.

The five losing clashers from each episode will be sent to one of the seats at the Danger Zone where they will be competing for the sixteenth spot at the end of Round 2.

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In this round, the clashers were paired. Raffy Roque, who was the last to be safe in the Wildcard round from Round 2, was selected by the host to choose her partner from the opposite groups for a duet while the selected partner each take turns to compose the pairs. Below is the groupings selection.

¹The clasher was selected by the host.

For each set, a pair will be chosen electronically, who will in turn choose their opponent pair. After the performance, the clash panel will vote for a pair who will advance to the next round. For the losing pair, they will compete with each other in Matira ang Matibay round and only one will remain, still subject for the votes of the clash panel. The challenged pair will either proceed ("Clash") or opt ("Pass") the opponent pair's challenge for one battle but if the pair choose the latter option, they will automatically compete against another pair selected by the randomizer in the next battle.

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The group battles in this round involves the twelve clashers performing a medley of songs in groups of three. Rare Columna, who was the last to be safe in Round 3, selected three other clashers taking turns to pick their members for their teams. Below is the groupings selection. Italicized names are those selected by Columna.

The randomizer electronically selects the first trio who will pick their opponent group by default to start the third round.

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This is the final round of the competition. Every week, after the performances, the judges will select their top clashers (number depends on every episode) who will stay on the competition while the bottom two clashers will face-off on Matira ang Matibay round where one clasher will be safe while the other will be eliminated.

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The Clashers perform in a pre-determined order. Only two clashers will advance to the Ultimate Final Clash to determine the grand champion of this season.

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Top 30

• The following Top 30 clashers have recently competed on Tawag ng Tanghalan:
  • Chelle Mariveles was the regional contender in the first season and the fourth quarter of the third season.
  • Yvette Celoso was the defending champion in the second season.
  • Nikki Enriquez was the daily winner in the first season.
  • Reign Lanz was the regional contender in the third quarter of the third season and the daily winner in the fourth season.
• Nikka Villegas recently appeared in the talent competition segment, Juan for All, All for Juan and as a guest performer on Eat Bulaga!

Top 20

• The following Top 20 clashers have recently competed on Tawag ng Tanghalan:
  • Melanie Guevarra was the regional contender for the first season.
  • JP Bacallan was the regional contender for Metro Manila in the fourth quarter of the third season.
• Elmerjun Hilario was originally a member of Sarah Geronimo's team on the second season of The Voice of the Philippines and was eliminated in the Knockout round on Bamboo Mañalac's team. He also competed in Tawag ng Tanghalan.

Top 16

• Jessa Jane Neri is the cousin of Krizza Neri, the winner of Protégé: The Battle for the Big Break.[15]
• Raffy Roque competed in the singing competition segment, Music Hero: The Vocal Battle in Eat Bulaga! She also won in an episode of the first season of I Can See Your Voice where she had a chance to duet with Arci Munoz.
• Sky Valentine was a former member of Star Magic Batch 16, under the screen name, Auriette Divina. She was on the first season of The X Factor Philippines as a member of the girl group A.K.A. Jam before becoming the first group eliminated on the third week of the live shows.
• Eric Celino was the regional contender in the first season of Tawag ng Tanghalan.

Top 12

• Anthony Uy was the lead vocalist of EastSide Band and recently competed in the second season of Tawag ng Tanghalan.

Top 10

• Rare Columna first appeared in the talent competition segment, Grabe S'ya on Eat Bulaga! and finished in the semi-finals. She later return to the show as guest appearances in game show segments Boom! and Bawal Judgmental.
• The following Top 10 clashers have recently competed on Tawag ng Tanghalan:
  • Jeffrey dela Torre was the regional contender in the first season and the daily winner in the second quarter of the third season.
  • Kaye Eliseo was the regional contender for Metro Manila in the third quarter of the third season.
  • Fame Gomez and Julia Serad were regional contenders in the first season.
  • Mariane Osabel competed in the quarter-end semifinals of the third season.
  • Lovely Restituto was the daily winner in the fifth season where she beat former The Clash season 2 contestant Mark Mendoza.
• Renz Fernando appeared as one of the Top 35 acts in the fifth season of D'Academy Asia alongside The Clash season 3 finalist Sheemee Buenaobra and GMA singer Hannah Precillas before he was eliminated in the Top 12 after Buenaobra in the Top 16, while Precillas finished as the second runner-up. He also briefly competed in Tawag ng Tanghalan.
• Vilmark Viray was the daily winner of the second season of Tawag ng Tanghalan. He also won in an episode of the first season of I Can See Your Voice where he had a chance to duet with Nina Girado.

• The Clash's channel on YouTube