Ahn Jung-Jae (안중재), best known by the stage name zai.ro (자이로), is a South Korean singer, songwriter, and musician under Chungchun Music. He debuted on May 30th, 2017 with the album, 'NEW GENERATION'.
In 2014, zai.ro collaborated with the K-pop girl group, SISTAR on an acoustic version of the song, "Touch My Body." The same year, he collaborated with another K-pop girl group, 2NE1 in the show, "Yoo Heeyeol's Sketchbook".
In 2014, before his official debut, he sang an OST for the drama, "It's okay, That's Love".
zai.ro contributed to compositions, arrangements, and productions of songs for artists such as 3POP, Heartshake, and Kim Minseok.