The Trans-Siberian Orchestra is a rock band founded by composer Paul O'Neill in 1993. The band is a progressive rock band with their roots in 1960s and 70s rock and roll. The Trans-Siberian Orchestra's philosophy, according to O'Neill, is to "push the boundaries further than any group before." The band has sold over 7 million albums and tours the world. The Trans-Siberian Orchestra announces auditions for certain parts from time to time and auditions new talent.
Check the Trans-Siberian Orchestra website for audition announcements. The band also posts audition announcements on sites like Billboard.com.
Contact the Trans-Siberian Orchestra at firstname.lastname@example.org and inquire about an audition.
Practice, practice, practice. The TSO is prestigious and accepts only the most technical musicians. Play along with their albums until you feel confident you would fit in musically with the band.