3.2.1,(ทรี.ทู.วัน) is a Thai hip-hop band consisting of three members, TJ, Gavin, & Poppy, formed by Kamikaze sublabel, RS Promotion. Debut in 2010 with the single "Kha Yao (3.2.1 Shake it ah!)", 3.2.1 became popular with their 2nd single "Kae Tee Ruk (My Boo)" & "Mee Eek Mai (Want More Shawty)". In 2012, their "Rak Tong Perd (Naen Ok) (Splash Out)" single, in which featuring with Baitoey, a famous Luk thung singer of the same company, became a phenomenal success. TJ composed 3.2.1 songs including Rak Tong Perd (Naen Ok) (Splash Out).
Jirayut Paloprakarn (Thai: จิรายุทธ ผโลประการ) or TJ - born on August 20, 1992,Bachelor of Arts in Business English (B.A.), Bangkok University International College (BUIC). Besides singing, he also composes and arranges many hit songs for his label, RS Promotion.
Gavin Duval (Thai: กวิน ดูวาล or Gavin (Thai: กวิน) - born on April 19, 1992, half English-Thai, Bachelor of Business Administration in Marketing (B.B.A), Bangkok University International College (BUIC).
Chatchaya Songcharoen (Thai: ชัชชญา ส่งเจริญ or Poppy (Thai: ป๊อปปี้ - born on December 16, 1994, Bachelor of Science in Applied Chemistry (BSAC), Chulalongkorn University