Tomball's annual Rails & Tails Mudbug Festival is a celebration of the tasty crawfish through music, food and fun. Performing are the the Powell Brothers, Bayou Roux, The Allen Oldies Band and Phineus Reb. Cajun and festival food vendors, merchandise, kids zone and more. Free admission and parking. The historic 1907 Depot Museum will also be open on-site for tours with its model train displays, art, railroad memorabilia and artifacts.