Broadway conducting/keyboard include: Xanadu, La Boheme, 13, Dracula, Spamalot, Coram Boy, Newsies, On A Clear Day, and Sweet Charity. Off-Broadway: Shafrika, Grey Gardens, Toxic Avenger, One, Avenue Q, and Altar Boyz. Regional includes: La Jolla Playhouse, The Old Globe, Denver Center Theater, Golden Gate Theater in San Francisco, Portland Center Stage, and Arkansas Repertory. Broadway music preparation includes: A Night With Janis Joplin, Shrek, Cry Baby, and All Shook Up. Karl’s original music has been featured at Oregon Shakespeare Festival, California Shakespeare, Seattle Children’s Theater, Portland Center Stage, Yale Repertory, The 52nd Street Project in New York, and Haven Project.