Source: Paras Griffin / Getty It was a brisk 40-degree night in the streets of the city that culturally clueless outsiders still refer to as "Hotlanta" but no icy temperature was going to stop music lovers from witnessing the talents one of the best new artists of this era. Leon Thomas, who was recently nominated for six Grammys (Best R&B album, Album of The Year, Best New Artist, Best R&B Performance, Best Traditional R&B Performance, and Best R&B Song), the most by any R&B artist this year, took the stage at downtown Atlanta's famous Tabernacle to deliver a soulful and string-shredding perfo...