 Despite his job title as a composer , Mitsuda worked as a sound effects designer for two years . In 1994 , after threatening to quit to Square 's vice president , Hironobu Sakaguchi , he was assigned to compose the soundtrack to Chrono Trigger . After the game 's success and the music 's acclaim , he went on to compose several other games for Square , including Xenogears . In 1998 , Mitsuda left Square to work as a freelance composer , founding his own music production studio , Procyon Studio , in 2001 as well as his own record label , Sleigh Bells . The company has since expanded to six employees , and Mitsuda continues to compose for video games , as well as for anime series and his own independent albums . 
