The 13th Annual Gray Sky Blues Music Festival on April 4th, 2020, is located at The Swiss Restaurant & Pub AND The Harmon Brewery and Eatery, following the Tacoma Grand Floral Daffodil Parade. COST: $10 at the SWISS at the Door. $8 at the Swiss at the door for South Sound Blues Association Members. This year's headliner is the award winning Randy Oxford Blues Band, performing at The Swiss.Restaurant & Pub from 7:30 to 9:30pm. (The Swiss is located at 1904 S. Jefferson Ave., Tacoma, WA 98402.