American guitarist and composer known for his versatility and experimental approach to music, blending elements of jazz, rock, avant-garde, and improvisation. Active since the late 1970s, he has contributed to a wide range of projects as both a bandleader and collaborator, spanning genres and defying easy categorization. In addition to his solo work, he is widely recognized for his role in the band Wilco, where his inventive guitar work has played a significant part in shaping their evolving sound.