As the singer, songwriter, performer, recorder and producer of all of his own material, Milwaukee-based roots guitarist Joseph Huber has his hands full, but never seems to miss a beat. He's gradually honed a sound that seems to fill a very real gap within the still-emerging Americana genre. Having progressed, Huber continues moving onward and upward, captivating folks with his sincere and well-crafted songs and the impeccable musicianship of his fellow touring partners. Whether it's irresistible, fiddle-driven, dancing tunes or…