Singer-songwriter on the rise Debbii Dawson shares her latest single, 'Walla Walla,' out now via RCA Records. Buoyed by a playful cadence of percussion and guitar strums, 'Walla Walla' is a lighthearted and effervescent single that showcases Debbii’s stunning signature vocals and her penchant for whimsical storytelling. “‘Walla Walla’ is for anyone…