Shannon has designed many national tours including: Bullets over Broadway, The Illusionists, Turn of the Century, Shrek, Hairspray, The Producers, Kiss Me Kate, Noise/Funk, The Full Monty, Contact, A Chorus Line, Tap Dogs, Sweeney Todd, The Wizard of Oz, The Drowsy Chaperone, and The Wedding Singer. He was also the Advance Sound on Wicked and the Production Sound for The Phantom of the Opera on Broadway and the US National tour. Shows he has mixed on Broadway include: Man of La Mancha, Bombay Dreams, Sweet Charity, Jersey Boys, Dirty Rotten Scoundrels, The Drowsy Chaperone, Spring Awakening, Fela!, Anything Goes, Annie, Legally Blonde, and Cabaret.