The 2020 Lowcountry Jazz Festival in Charleston, SC | Sept. 5th & 6th, 2020 The 2020 Lowcountry Jazz Festival, Charleston, SC, Labor Day Weekend! Featuring: Dianne Reeves, Incognito with Maysa, Najee, Peter White, Mindi Abair, Euge Groove, Steve Oliver, Brian Simpson and The Urban Jazz Coalition.