The Knoxville Symphony League will hold a preview party gala to kick off the league’s 2017 ShowHouse, now in its 30th year. This event is by invitation-only. The ShowHouse will be open to the public from April 24 to May 10, weekdays, 10 a.m. to 4 p.m., and Sundays, 1 to 5 p.m. The house is located at 900 Artisan Row, a new street off Westland Drive, east of West Town Mall.