Junya Yamaguchi (Producer name Juny Mag)山口潤也 is a Japanese keyboard player, pianist, composer, arranger and music producer based in Los Angeles and New York.
He won several YAMAHA Electone competitions with his own arrangement and composition in his teens.
[2] In 2014, at the Metlife Stadium in NJ, he performed "America The Beautiful"with Queen Latifah.
Junya moved to Los Angeles in 2014 then he started working as a music producer "Juny Mag".
He has been working for Andy Suzuki and The Method, Brian Soko, Murder Beats, Rasool Diaz, Aluna George, Unique Zayas, Omylrd and so on.