JSWISS is performing on Wednesday in the “Brooklyn Grind” showcase presented by Kelli Sae at Shapeshifter Lab (18 Whitwell Place) in Brooklyn. The showcase will feature hip hop, jazz, soul and R&B, and a backing live band. The show is all ages. Doors open at 7 p.m. and the show starts promptly at 8. Admission is $10. To learn more about all of the artists performing, click HERE.