LOUDBOY MUSIC is a music production and publishing company founded by record producer Appu Krishnan. Appu's songs have charted in both the US Billboard and South Korean Gaon. Award-winning artists Jordin Sparks, Christina Aguilera, The Jacksons, Billy Ray Cyrus, and South Korean superstars Got 7, Jus2, Wanna One, Yoo Hwe-Seung (N.Flying) have all used his services as a songwriter, producer and mixing engineer. Appu's music is featured as title songs on top-grossing Hollywood movies such as The Best Man Holiday (Universal Pictures) and the hit TV shows Criminal Minds (South Korea) and Produce 101 (CJ ENM, Mnet).

LOUDBOY MUSIC is based in Los Angeles, California and is comprised of a team of amazing producers and songwriters from around the world.