Have been a bone & guitar player, and in keeping with a mid-life crisis, want to chuck bone (which I play best, improv, etc) for either guitar or URB. Every sane musician has made clear to me that URB is a "mother", that it takes fanatical devotion and a certain masochism...but I love its sound the best of all instruments. I love the sound of Charlie Haden playing a duet with Pat Matheny, and think I would be happy slowly learning, playing simply, etc. However, it sounds treacherously like trombone, in its physicality, the need for daily playing, all those hurdles. It even is a bit bone-like in intonation. It sounds less irritating to family & neighbors (or am I wrong here?) I can play bass lines on the electric, but know its nothing like The Dark Side. What kind of personality tends to succeed on URB? What are my chances, & the hurdles? Any teachers in SF to recommend?