A musician’s understanding of his artistry often deepens over time. WRTI’s Meridee Duddleston gets a perspective from a jazz man who’s performed for over a half century. Guitarist and vocalist Jimi Odell has been called one of Philadelphia’s best-kept secrets. And even though he wasn’t born here, local jazz buffs proudly claim him as their own. Now in his '80s, Odell bought himself a guitar and an instruction book when he was 19. Looking back he says it’s not an easy instrument to master.