Half-handed Cloud is an interesting phenomenon. John Ringhofer, the man behind the namesake, is as joyful and frugal as his music. An economical thinker, Ringhofer prefers the subway over a taxicab, is a recycler of plastic, a compulsive note-taker, and a habitual optimist. He doodles in the margins of National Geographic magazines, carries several different colored pens, and continues to use an antiquated CD walkman. When not on tour solo, as the trombonist for Sufjan Stevens Illinoisemakers...