[2] He gained prominence by appearing on the JTBC audition program Phantom Singer Season 2 in 2017, where he reached the finals,[3] and was part of the runner-up team Miraclass.

[6] Kang-hyun Park, born on December 27, 1989,[7][8] with a recognized birth date of February 27, 1990,[9] attended Deokwon High School.

[18] After his initial recognition, Kang-hyun Park continued to expand his repertoire in both original Korean and replica musical productions,[2] receiving several prestigious awards.

[24] In 2019, he continued to impress with his portrayal of Luigi Lucheni in Elisabeth,[25] which earned him the 13th DIMF[26] Awards for Newcomer of the Year.

[28] His roles as Lancelot in Xcalibur[29] and Axel von Fersen in Marie Antoinette in 2019[30] further solidified his standing in the industry.

in South Korea, where he played the protagonist Wolfgang Mozart, was held at the main auditorium of the Sejong Center, and also aired online due to the special circumstances of the COVID-19 period.

[49] Park is regarded as a promising talent in the Korean musical theater scene,[50] recognized for his wide vocal range and versatility, including operatic tones.

"[54] In his role as Huey in Memphis, he depicted a "confident yet somewhat immature young man, showcasing a charming character with wit and vivacity.

[35] By 2024, he is recognized as a prominent and influential figure in the musical theater industry in South Korea, with strong ticket-selling power.

In the early stages of his career, Kang-hyun Park appeared in the play Our Bad Magnet, which is based on the book by Douglas Maxwell.

[64] at Sungkyunkwan University [1] Phantom Singer is a South Korean audition program aired on JTBC, aimed at forming a male crossover vocal quartet.

[69] In the finals, based on his wishes and the team arrangement by the producers, he formed a quartet with Julian Jootaek Kim, Phillip Jeong, and Tain Han [ko].

Unlike teams like Forestella or Edel Reinklang, Park's final quartet included the members who sang together for the first time.

The team name Miraclass was suggested by member Phillip Jeong, combining 'Miracle' and 'Class,' symbolizing 'miraculous harmony' and 'miraculous reinterpretation of classical music.

[74] Miraclass won MVP in the first mission among the nine teams,[75] and performed a variety of songs in different rounds, including team challenges, solo performances, season battles, genre battles, and the ultimate auditory pleasure contest (Korean: 귀호강 끝판왕전), achieving multiple victories and showcasing their talent.

[77] In Phantom Singer, producers assist contestants with team formation, song selection, and determining outcomes.

[79] He provided practical and valuable feedback on contestants' psychological states, microphone techniques, and team harmony.

[77] Kang-hyun Park starred in a leading role as Sin Do-Sik in the KBS2 TV drama Heartbeat (Korean: 가슴이 뛴다) in 2023.