This week on Inside the Arts, the party with a purpose, ESSENCE Festival presented by Coca-Cola, kicks off its 25th Anniversary with a visit from former First Lady Michelle Obama. We catch up with entertainment editor Cori Murray for a sneak peek. Then, four winners of the 1st New Orleans Music Showcase are headed to ESSENCE Festival music stages. Singer, CASME is one of those winners. She joins us with showcase producer/creator Glenda McKinley. And, a spiritual gathering in Congo Square honors