Mississippi’s blues societies will soon be having their Regional Blues Challenges (Band and Solo/Duo Competitions). The winners will advance to the International Blues Challenge in Memphis January 22-25, 2014 www.blues.org/ibc. VICKSBURG: Sunday, September 29thBand & Solo/Duowww.VicksburgHeritage.com; JACKSON: Monday, October 14thBand and Monday, October 28thSolo/Duowww.centralmississippibluessociety.com; INDIANOLA: Sunday, October 20th Band and Sunday, October 27thSolo/Duowww.indianolablues.org.