Crystal Lake Thunder competes in WGI SPORT OF THE ARTS (WGI) Independent A Class. Individuals are invited to join us for an afternoon of quality instruction and evaluation by Crystal Lake Thunder staff. Those interested in marching the 2020 competitive season with Thunder must attend one of two audition dates. Qualified candidates will be asked to return on November 23 for a callback audition.

If you wish to attend both audition dates, please register for a single date and write to us at