1. March Madness Music Festival: March 30th at 4p-10p2. Yoga on the Plaza at the Tobin Center: March 31st at 9a-10a3. Wine Fest at the Tower of Americas: April 7th at 2p-5p4. Helotes Market Days: April 7th at 10a5. Fiesta Noche Southtown: April 14th at 7p-10p